Datasheet
PCA9500_4 © NXP B.V. 2009. All rights reserved.
Product data sheet Rev. 04 — 15 April 2009 2 of 26
NXP Semiconductors
PCA9500
8-bit I
2
C-bus and SMBus I/O port with 2-kbit EEPROM
n 5 V tolerant inputs/outputs
n 0 Hz to 400 kHz clock frequency
n ESD protection exceeds 2000 V HBM per JESD22-A114, 200 V MM per
JESD22-A115 and 1000 V CDM per JESD22-C101
n Latch-up testing is done to JEDEC Standard JESD78 which exceeds 100 mA
n Packages offered: SO16, TSSOP16, HVQFN16
3. Applications
n Board version tracking and configuration
n Board health monitoring and status reporting
n Multi-card systems in telecommunications, networking, and base station infrastructure
equipment
n Field recall and troubleshooting functions for installed boards
n General-purpose integrated I/O with memory
n Drop-in replacement for PCF8574 with integrated 2-kbit EEPROM
n Bus master sees GPIO and EEPROM as two separate devices
n Three hardware address pins allow up to 8 PCA9500s to be located in the same
I
2
C-bus/SMBus
4. Ordering information
4.1 Ordering options
Table 1. Ordering information
Type number Package
Name Description Version
PCA9500D SO16 plastic small outline package; 16 leads;
body width 7.5 mm
SOT162-1
PCA9500PW TSSOP16 plastic thin shrink small outline package; 16 leads;
body width 4.4 mm
SOT403-1
PCA9500BS HVQFN16 plastic thermal enhanced very thin quad flat package;
no leads; 16 terminals; body 4 × 4 × 0.85 mm
SOT629-1
Table 2. Ordering options
Type number Topside mark Temperature range
PCA9500D PCA9500D −40 °C to +85 °C
PCA9500PW PCA9500 −40 °C to +85 °C
PCA9500BS 9500 −40 °C to +85 °C
