Pagina 89 - Prodotti Maxim Integrated - Interfaccia - Transceiver | Heisener Electronics
Contattaci
SalesDept@heisener.com 86-755-83210559-841
Accesso/Registrati
Language Translation

* Please refer to the English Version as our Official Version.

BOM
Carrello 0

Prodotti Maxim Integrated - Interfaccia - Transceiver

Record 3.239
Pagina  89/116
Immagine
Numero di parte
Produttore
Descrizione
pacchetto
Azione
Quantità
Protocol
Number of Drivers/Receivers
Duplex
Receiver Hysteresis
Data Rate
Voltage - Supply
Operating Temperature
Mounting Type
Package / Case
Supplier Device Package
hot MAX3235ECWP
Maxim Integrated

IC TXRX RS232 DUAL250KBPS 20SOIC

  • Type: Transceiver
  • Protocol: RS232
  • Number of Drivers/Receivers: 2/2
  • Duplex: Full
  • Receiver Hysteresis: 500mV
  • Data Rate: 250kbps
  • Voltage - Supply: 4.5 V ~ 5.5 V
  • Operating Temperature: 0°C ~ 70°C
  • Mounting Type: Surface Mount
  • Package / Case: 20-SOIC (0.295", 7.50mm Width)
  • Supplier Device Package: 20-SOIC
pacchetto: 20-SOIC (0.295", 7.50mm Width)
Azione4.272
RS232
2/2
Full
500mV
250kbps
4.5 V ~ 5.5 V
0°C ~ 70°C
Surface Mount
20-SOIC (0.295", 7.50mm Width)
20-SOIC
MAX3235ECPP
Maxim Integrated

IC TXRX RS232 DUAL 250KBPS 20DIP

  • Type: Transceiver
  • Protocol: RS232
  • Number of Drivers/Receivers: 2/2
  • Duplex: Full
  • Receiver Hysteresis: 500mV
  • Data Rate: 250kbps
  • Voltage - Supply: 4.5 V ~ 5.5 V
  • Operating Temperature: 0°C ~ 70°C
  • Mounting Type: Through Hole
  • Package / Case: 20-DIP (0.300", 7.62mm)
  • Supplier Device Package: 20-PDIP
pacchetto: 20-DIP (0.300", 7.62mm)
Azione3.696
RS232
2/2
Full
500mV
250kbps
4.5 V ~ 5.5 V
0°C ~ 70°C
Through Hole
20-DIP (0.300", 7.62mm)
20-PDIP
hot MAX3233EEWP
Maxim Integrated

IC TXRX RS232 DUAL250KBPS 20SOIC

  • Type: Transceiver
  • Protocol: RS232
  • Number of Drivers/Receivers: 2/2
  • Duplex: Full
  • Receiver Hysteresis: 500mV
  • Data Rate: 250kbps
  • Voltage - Supply: 3 V ~ 3.6 V
  • Operating Temperature: -40°C ~ 85°C
  • Mounting Type: Surface Mount
  • Package / Case: 20-SOIC (0.295", 7.50mm Width)
  • Supplier Device Package: 20-SOIC
pacchetto: 20-SOIC (0.295", 7.50mm Width)
Azione5.488
RS232
2/2
Full
500mV
250kbps
3 V ~ 3.6 V
-40°C ~ 85°C
Surface Mount
20-SOIC (0.295", 7.50mm Width)
20-SOIC
MAX3233EEPP
Maxim Integrated

IC TXRX RS232 DUAL 250KBPS 20DIP

  • Type: Transceiver
  • Protocol: RS232
  • Number of Drivers/Receivers: 2/2
  • Duplex: Full
  • Receiver Hysteresis: 500mV
  • Data Rate: 250kbps
  • Voltage - Supply: 3 V ~ 3.6 V
  • Operating Temperature: -40°C ~ 85°C
  • Mounting Type: Through Hole
  • Package / Case: 20-DIP (0.300", 7.62mm)
  • Supplier Device Package: 20-PDIP
pacchetto: 20-DIP (0.300", 7.62mm)
Azione7.792
RS232
2/2
Full
500mV
250kbps
3 V ~ 3.6 V
-40°C ~ 85°C
Through Hole
20-DIP (0.300", 7.62mm)
20-PDIP
hot MAX3233ECWP
Maxim Integrated

IC TXRX RS232 DUAL250KBPS 20SOIC

  • Type: Transceiver
  • Protocol: RS232
  • Number of Drivers/Receivers: 2/2
  • Duplex: Full
  • Receiver Hysteresis: 500mV
  • Data Rate: 250kbps
  • Voltage - Supply: 3 V ~ 3.6 V
  • Operating Temperature: 0°C ~ 70°C
  • Mounting Type: Surface Mount
  • Package / Case: 20-SOIC (0.295", 7.50mm Width)
  • Supplier Device Package: 20-SOIC
pacchetto: 20-SOIC (0.295", 7.50mm Width)
Azione10.464
RS232
2/2
Full
500mV
250kbps
3 V ~ 3.6 V
0°C ~ 70°C
Surface Mount
20-SOIC (0.295", 7.50mm Width)
20-SOIC
MAX3233ECPP
Maxim Integrated

IC TXRX RS232 DUAL 250KBPS 20DIP

  • Type: Transceiver
  • Protocol: RS232
  • Number of Drivers/Receivers: 2/2
  • Duplex: Full
  • Receiver Hysteresis: 500mV
  • Data Rate: 250kbps
  • Voltage - Supply: 3 V ~ 3.6 V
  • Operating Temperature: 0°C ~ 70°C
  • Mounting Type: Through Hole
  • Package / Case: 20-DIP (0.300", 7.62mm)
  • Supplier Device Package: 20-PDIP
pacchetto: 20-DIP (0.300", 7.62mm)
Azione6.432
RS232
2/2
Full
500mV
250kbps
3 V ~ 3.6 V
0°C ~ 70°C
Through Hole
20-DIP (0.300", 7.62mm)
20-PDIP
hot MAX3232EEWE
Maxim Integrated

IC TXRX RS232 LP 1MBPS 16-SOIC

  • Type: Transceiver
  • Protocol: RS232
  • Number of Drivers/Receivers: 2/2
  • Duplex: Full
  • Receiver Hysteresis: 500mV
  • Data Rate: 250kbps
  • Voltage - Supply: 3 V ~ 5.5 V
  • Operating Temperature: -40°C ~ 85°C
  • Mounting Type: Surface Mount
  • Package / Case: 16-SOIC (0.295", 7.50mm Width)
  • Supplier Device Package: 16-SOIC
pacchetto: 16-SOIC (0.295", 7.50mm Width)
Azione6.732
RS232
2/2
Full
500mV
250kbps
3 V ~ 5.5 V
-40°C ~ 85°C
Surface Mount
16-SOIC (0.295", 7.50mm Width)
16-SOIC
hot MAX3232EEPE
Maxim Integrated

IC TXRX RS232 LP 1MBPS 16-DIP

  • Type: Transceiver
  • Protocol: RS232
  • Number of Drivers/Receivers: 2/2
  • Duplex: Full
  • Receiver Hysteresis: 500mV
  • Data Rate: 250kbps
  • Voltage - Supply: 3 V ~ 5.5 V
  • Operating Temperature: -40°C ~ 85°C
  • Mounting Type: Through Hole
  • Package / Case: 16-DIP (0.300", 7.62mm)
  • Supplier Device Package: 16-PDIP
pacchetto: 16-DIP (0.300", 7.62mm)
Azione37.200
RS232
2/2
Full
500mV
250kbps
3 V ~ 5.5 V
-40°C ~ 85°C
Through Hole
16-DIP (0.300", 7.62mm)
16-PDIP
hot MAX3232EEAE
Maxim Integrated

IC TXRX RS232 250KBPS LP 16SSOP

  • Type: Transceiver
  • Protocol: RS232
  • Number of Drivers/Receivers: 2/2
  • Duplex: Full
  • Receiver Hysteresis: 500mV
  • Data Rate: 250kbps
  • Voltage - Supply: 3 V ~ 5.5 V
  • Operating Temperature: -40°C ~ 85°C
  • Mounting Type: Surface Mount
  • Package / Case: 16-SSOP (0.209", 5.30mm Width)
  • Supplier Device Package: 16-SSOP
pacchetto: 16-SSOP (0.209", 5.30mm Width)
Azione617.304
RS232
2/2
Full
500mV
250kbps
3 V ~ 5.5 V
-40°C ~ 85°C
Surface Mount
16-SSOP (0.209", 5.30mm Width)
16-SSOP
hot MAX3232ECWE
Maxim Integrated

IC TXRX RS232 1MBPS LP 16-SOIC

  • Type: Transceiver
  • Protocol: RS232
  • Number of Drivers/Receivers: 2/2
  • Duplex: Full
  • Receiver Hysteresis: 500mV
  • Data Rate: 1Mbps
  • Voltage - Supply: 3 V ~ 5.5 V
  • Operating Temperature: 0°C ~ 70°C
  • Mounting Type: Surface Mount
  • Package / Case: 16-SOIC (0.295", 7.50mm Width)
  • Supplier Device Package: 16-SOIC
pacchetto: 16-SOIC (0.295", 7.50mm Width)
Azione128.292
RS232
2/2
Full
500mV
1Mbps
3 V ~ 5.5 V
0°C ~ 70°C
Surface Mount
16-SOIC (0.295", 7.50mm Width)
16-SOIC
hot MAX3232ECPE
Maxim Integrated

IC TXRX RS232 1MBPS LP 16-DIP

  • Type: Transceiver
  • Protocol: RS232
  • Number of Drivers/Receivers: 2/2
  • Duplex: Full
  • Receiver Hysteresis: 500mV
  • Data Rate: 1Mbps
  • Voltage - Supply: 3 V ~ 5.5 V
  • Operating Temperature: 0°C ~ 70°C
  • Mounting Type: Through Hole
  • Package / Case: 16-DIP (0.300", 7.62mm)
  • Supplier Device Package: 16-PDIP
pacchetto: 16-DIP (0.300", 7.62mm)
Azione64.704
RS232
2/2
Full
500mV
1Mbps
3 V ~ 5.5 V
0°C ~ 70°C
Through Hole
16-DIP (0.300", 7.62mm)
16-PDIP
MAX3218EPP
Maxim Integrated

IC TXRX RS232 AUTO SHTDN 20-DIP

  • Type: Transceiver
  • Protocol: RS232
  • Number of Drivers/Receivers: 2/2
  • Duplex: Full
  • Receiver Hysteresis: 700mV
  • Data Rate: 120Kbps
  • Voltage - Supply: 1.8 V ~ 4.25 V
  • Operating Temperature: -40°C ~ 85°C
  • Mounting Type: Through Hole
  • Package / Case: 20-DIP (0.300", 7.62mm)
  • Supplier Device Package: 20-PDIP
pacchetto: 20-DIP (0.300", 7.62mm)
Azione2.544
RS232
2/2
Full
700mV
120Kbps
1.8 V ~ 4.25 V
-40°C ~ 85°C
Through Hole
20-DIP (0.300", 7.62mm)
20-PDIP
hot MAX3218EAP
Maxim Integrated

IC TXRS RS-232 W/SHTDWN 20SSOP

  • Type: Transceiver
  • Protocol: RS232
  • Number of Drivers/Receivers: 2/2
  • Duplex: Full
  • Receiver Hysteresis: 700mV
  • Data Rate: 120Kbps
  • Voltage - Supply: 1.8 V ~ 4.25 V
  • Operating Temperature: -40°C ~ 85°C
  • Mounting Type: Surface Mount
  • Package / Case: 20-SSOP (0.209", 5.30mm Width)
  • Supplier Device Package: 20-SSOP
pacchetto: 20-SSOP (0.209", 5.30mm Width)
Azione5.120
RS232
2/2
Full
700mV
120Kbps
1.8 V ~ 4.25 V
-40°C ~ 85°C
Surface Mount
20-SSOP (0.209", 5.30mm Width)
20-SSOP
hot MAX3218CPP
Maxim Integrated

IC TXRS RS-232 W/SHTDWN 20-DIP

  • Type: Transceiver
  • Protocol: RS232
  • Number of Drivers/Receivers: 2/2
  • Duplex: Full
  • Receiver Hysteresis: 700mV
  • Data Rate: 120Kbps
  • Voltage - Supply: 1.8 V ~ 4.25 V
  • Operating Temperature: 0°C ~ 70°C
  • Mounting Type: Through Hole
  • Package / Case: 20-DIP (0.300", 7.62mm)
  • Supplier Device Package: 20-PDIP
pacchetto: 20-DIP (0.300", 7.62mm)
Azione10.284
RS232
2/2
Full
700mV
120Kbps
1.8 V ~ 4.25 V
0°C ~ 70°C
Through Hole
20-DIP (0.300", 7.62mm)
20-PDIP
hot MAX3218CAP
Maxim Integrated

IC TXRX RS232 120KBPS SD 20-SSOP

  • Type: Transceiver
  • Protocol: RS232
  • Number of Drivers/Receivers: 2/2
  • Duplex: Full
  • Receiver Hysteresis: 700mV
  • Data Rate: 120Kbps
  • Voltage - Supply: 1.8 V ~ 4.25 V
  • Operating Temperature: 0°C ~ 70°C
  • Mounting Type: Surface Mount
  • Package / Case: 20-SSOP (0.209", 5.30mm Width)
  • Supplier Device Package: 20-SSOP
pacchetto: 20-SSOP (0.209", 5.30mm Width)
Azione12.036
RS232
2/2
Full
700mV
120Kbps
1.8 V ~ 4.25 V
0°C ~ 70°C
Surface Mount
20-SSOP (0.209", 5.30mm Width)
20-SSOP
MAX3212EAI
Maxim Integrated

IC TXRX 3DRVR 5RX 28-SSOP

  • Type: Transceiver
  • Protocol: RS232
  • Number of Drivers/Receivers: 3/5
  • Duplex: Full
  • Receiver Hysteresis: 700mV
  • Data Rate: 235Kbps
  • Voltage - Supply: 2.7 V ~ 3.6 V
  • Operating Temperature: -40°C ~ 85°C
  • Mounting Type: Surface Mount
  • Package / Case: 28-SSOP (0.209", 5.30mm Width)
  • Supplier Device Package: 28-SSOP
pacchetto: 28-SSOP (0.209", 5.30mm Width)
Azione4.144
RS232
3/5
Full
700mV
235Kbps
2.7 V ~ 3.6 V
-40°C ~ 85°C
Surface Mount
28-SSOP (0.209", 5.30mm Width)
28-SSOP
hot MAX3212CWI
Maxim Integrated

IC TXRX RS232 3DVR 5RCVR 28-SOIC

  • Type: Transceiver
  • Protocol: RS232
  • Number of Drivers/Receivers: 3/5
  • Duplex: Full
  • Receiver Hysteresis: 700mV
  • Data Rate: 235Kbps
  • Voltage - Supply: 2.7 V ~ 3.6 V
  • Operating Temperature: 0°C ~ 70°C
  • Mounting Type: Surface Mount
  • Package / Case: 28-SOIC (0.295", 7.50mm Width)
  • Supplier Device Package: 28-SO
pacchetto: 28-SOIC (0.295", 7.50mm Width)
Azione24.180
RS232
3/5
Full
700mV
235Kbps
2.7 V ~ 3.6 V
0°C ~ 70°C
Surface Mount
28-SOIC (0.295", 7.50mm Width)
28-SO
hot MAX3212CAI
Maxim Integrated

IC TXRX 3DRVR 5RX 28-SSOP

  • Type: Transceiver
  • Protocol: RS232
  • Number of Drivers/Receivers: 3/5
  • Duplex: Full
  • Receiver Hysteresis: 700mV
  • Data Rate: 235Kbps
  • Voltage - Supply: 2.7 V ~ 3.6 V
  • Operating Temperature: 0°C ~ 70°C
  • Mounting Type: Surface Mount
  • Package / Case: 28-SSOP (0.209", 5.30mm Width)
  • Supplier Device Package: 28-SSOP
pacchetto: 28-SSOP (0.209", 5.30mm Width)
Azione10.668
RS232
3/5
Full
700mV
235Kbps
2.7 V ~ 3.6 V
0°C ~ 70°C
Surface Mount
28-SSOP (0.209", 5.30mm Width)
28-SSOP
hot MAX3209EEUU
Maxim Integrated

IC TXRX LP DUAL RS232 38-TSSOP

  • Type: Transceiver
  • Protocol: RS232
  • Number of Drivers/Receivers: 6/10
  • Duplex: Full
  • Receiver Hysteresis: 200mV
  • Data Rate: 460Kbps
  • Voltage - Supply: 10.8 V ~ 13.2 V
  • Operating Temperature: 0°C ~ 70°C
  • Mounting Type: Surface Mount
  • Package / Case: 38-TFSOP (0.173", 4.40mm Width)
  • Supplier Device Package: 38-TSSOP
pacchetto: 38-TFSOP (0.173", 4.40mm Width)
Azione9.924
RS232
6/10
Full
200mV
460Kbps
10.8 V ~ 13.2 V
0°C ~ 70°C
Surface Mount
38-TFSOP (0.173", 4.40mm Width)
38-TSSOP
hot MAX3209ECUU
Maxim Integrated

IC TXRX LP DUAL RS232 38-TSSOP

  • Type: Transceiver
  • Protocol: RS232
  • Number of Drivers/Receivers: 6/10
  • Duplex: Full
  • Receiver Hysteresis: 200mV
  • Data Rate: 460Kbps
  • Voltage - Supply: 10.8 V ~ 13.2 V
  • Operating Temperature: 0°C ~ 70°C
  • Mounting Type: Surface Mount
  • Package / Case: 38-TFSOP (0.173", 4.40mm Width)
  • Supplier Device Package: 38-TSSOP
pacchetto: 38-TFSOP (0.173", 4.40mm Width)
Azione12.720
RS232
6/10
Full
200mV
460Kbps
10.8 V ~ 13.2 V
0°C ~ 70°C
Surface Mount
38-TFSOP (0.173", 4.40mm Width)
38-TSSOP
MAX3187EAX
Maxim Integrated

IC TXRX RS232 230KPBS 36-SSOP

  • Type: Transceiver
  • Protocol: RS232
  • Number of Drivers/Receivers: 6/10
  • Duplex: Full
  • Receiver Hysteresis: 650mV
  • Data Rate: 230kbps
  • Voltage - Supply: 4.5 V ~ 5.5 V
  • Operating Temperature: -40°C ~ 85°C
  • Mounting Type: Surface Mount
  • Package / Case: 36-BSOP (0.295", 7.50mm Width)
  • Supplier Device Package: 36-SSOP
pacchetto: 36-BSOP (0.295", 7.50mm Width)
Azione3.392
RS232
6/10
Full
650mV
230kbps
4.5 V ~ 5.5 V
-40°C ~ 85°C
Surface Mount
36-BSOP (0.295", 7.50mm Width)
36-SSOP
hot MAX3187CAX
Maxim Integrated

IC RS-232 SRL 230KBPS 36-SSOP

  • Type: Transceiver
  • Protocol: RS232
  • Number of Drivers/Receivers: 6/10
  • Duplex: Full
  • Receiver Hysteresis: 650mV
  • Data Rate: 230kbps
  • Voltage - Supply: 4.5 V ~ 5.5 V
  • Operating Temperature: 0°C ~ 70°C
  • Mounting Type: Surface Mount
  • Package / Case: 36-BSOP (0.295", 7.50mm Width)
  • Supplier Device Package: 36-SSOP
pacchetto: 36-BSOP (0.295", 7.50mm Width)
Azione19.056
RS232
6/10
Full
650mV
230kbps
4.5 V ~ 5.5 V
0°C ~ 70°C
Surface Mount
36-BSOP (0.295", 7.50mm Width)
36-SSOP
MAX3186EWP
Maxim Integrated

IC TXRX RS232 230KPBS 20-SOIC

  • Type: Transceiver
  • Protocol: RS232
  • Number of Drivers/Receivers: 5/3
  • Duplex: Full
  • Receiver Hysteresis: 650mV
  • Data Rate: 230kbps
  • Voltage - Supply: 4.5 V ~ 5.5 V
  • Operating Temperature: -40°C ~ 85°C
  • Mounting Type: Surface Mount
  • Package / Case: 20-SOIC (0.295", 7.50mm Width)
  • Supplier Device Package: 20-SOIC
pacchetto: 20-SOIC (0.295", 7.50mm Width)
Azione3.216
RS232
5/3
Full
650mV
230kbps
4.5 V ~ 5.5 V
-40°C ~ 85°C
Surface Mount
20-SOIC (0.295", 7.50mm Width)
20-SOIC
MAX3186EAP
Maxim Integrated

IC RS-232 SERIAL 230KBPS 20-SSOP

  • Type: Transceiver
  • Protocol: RS232
  • Number of Drivers/Receivers: 5/3
  • Duplex: Full
  • Receiver Hysteresis: 650mV
  • Data Rate: 230kbps
  • Voltage - Supply: 4.5 V ~ 5.5 V
  • Operating Temperature: -40°C ~ 85°C
  • Mounting Type: Surface Mount
  • Package / Case: 20-SSOP (0.209", 5.30mm Width)
  • Supplier Device Package: 20-SSOP
pacchetto: 20-SSOP (0.209", 5.30mm Width)
Azione6.976
RS232
5/3
Full
650mV
230kbps
4.5 V ~ 5.5 V
-40°C ~ 85°C
Surface Mount
20-SSOP (0.209", 5.30mm Width)
20-SSOP
MAX3186CWP
Maxim Integrated

IC RS-232 SERIAL 230KBPS 20-SOIC

  • Type: Transceiver
  • Protocol: RS232
  • Number of Drivers/Receivers: 5/3
  • Duplex: -
  • Receiver Hysteresis: 650mV
  • Data Rate: 230kbps
  • Voltage - Supply: 4.5 V ~ 5.5 V
  • Operating Temperature: 0°C ~ 70°C
  • Mounting Type: Surface Mount
  • Package / Case: 20-SOIC (0.295", 7.50mm Width)
  • Supplier Device Package: 20-SOIC
pacchetto: 20-SOIC (0.295", 7.50mm Width)
Azione5.472
RS232
5/3
-
650mV
230kbps
4.5 V ~ 5.5 V
0°C ~ 70°C
Surface Mount
20-SOIC (0.295", 7.50mm Width)
20-SOIC
MAX3186CAP
Maxim Integrated

IC TXRX RS232 230KPBS 20-SSOP

  • Type: Transceiver
  • Protocol: RS232
  • Number of Drivers/Receivers: 5/3
  • Duplex: Full
  • Receiver Hysteresis: 650mV
  • Data Rate: 230kbps
  • Voltage - Supply: 4.5 V ~ 5.5 V
  • Operating Temperature: 0°C ~ 70°C
  • Mounting Type: Surface Mount
  • Package / Case: 20-SSOP (0.209", 5.30mm Width)
  • Supplier Device Package: 20-SSOP
pacchetto: 20-SSOP (0.209", 5.30mm Width)
Azione2.992
RS232
5/3
Full
650mV
230kbps
4.5 V ~ 5.5 V
0°C ~ 70°C
Surface Mount
20-SSOP (0.209", 5.30mm Width)
20-SSOP
MAX3185EWP
Maxim Integrated

IC TXRX RS232 230KPBS 20-SOIC

  • Type: Transceiver
  • Protocol: RS232
  • Number of Drivers/Receivers: 3/5
  • Duplex: Full
  • Receiver Hysteresis: 650mV
  • Data Rate: 230kbps
  • Voltage - Supply: 4.5 V ~ 5.5 V
  • Operating Temperature: -40°C ~ 85°C
  • Mounting Type: Surface Mount
  • Package / Case: 20-SOIC (0.295", 7.50mm Width)
  • Supplier Device Package: 20-SOIC
pacchetto: 20-SOIC (0.295", 7.50mm Width)
Azione5.760
RS232
3/5
Full
650mV
230kbps
4.5 V ~ 5.5 V
-40°C ~ 85°C
Surface Mount
20-SOIC (0.295", 7.50mm Width)
20-SOIC
MAX3185EAP
Maxim Integrated

IC TXRX RS232 230KPBS 20-SSOP

  • Type: Transceiver
  • Protocol: RS232
  • Number of Drivers/Receivers: 3/5
  • Duplex: Full
  • Receiver Hysteresis: 650mV
  • Data Rate: 230kbps
  • Voltage - Supply: 4.5 V ~ 5.5 V
  • Operating Temperature: -40°C ~ 85°C
  • Mounting Type: Surface Mount
  • Package / Case: 20-SSOP (0.209", 5.30mm Width)
  • Supplier Device Package: 20-SSOP
pacchetto: 20-SSOP (0.209", 5.30mm Width)
Azione3.840
RS232
3/5
Full
650mV
230kbps
4.5 V ~ 5.5 V
-40°C ~ 85°C
Surface Mount
20-SSOP (0.209", 5.30mm Width)
20-SSOP