pca9557bs NXP Semiconductors, pca9557bs Datasheet - Page 2

• Manufacturer Part Number: pca9557bs
• Description: 8-bit I2c And Smbus I/0 Port With Reset
• Manufacturer: NXP Semiconductors

NXP Semiconductors
3. Ordering information
4. Block diagram
PCA9557_5
Product data sheet
3.1 Ordering options
Table 1.
Table 2.
Type number
PCA9557D
PCA9557PW
PCA9557BS
Type number
PCA9557D
PCA9557PW
PCA9557BS
Fig 1. Block diagram of PCA9557
RESET
SDA
SCL
V
V
A0
A1
A2
DD
SS
Ordering information
Ordering options
PCA9557
Package
Name
SO16
TSSOP16
HVQFN16 plastic thermal enhanced very thin quad flat package;
Topside mark
PCA9557D
PCA9557
9557
Rev. 05 — 12 September 2007
POWER-ON
RESET
FILTER
INPUT
Description
plastic small outline package; 16 leads;
body width 3.9 mm
plastic thin shrink small outline package; 16 leads;
body width 4.4 mm
no leads; 16 terminals; body 4
Temperature range
T
T
T
amb
amb
amb
= 40 C to +85 C
= 40 C to +85 C
= 40 C to +85 C
I
2
C-BUS/SMBus
CONTROL
8-bit I
2
C-bus and SMBus I/O port with reset
write pulse
read pulse
8-bit
4
0.85 mm
OUTPUT
PORTS
INPUT/
PCA9557
© NXP B.V. 2007. All rights reserved.
002aad275
Version
SOT109-1
SOT403-1
SOT629-1
IO0
IO1
IO2
IO3
IO4
IO5
IO6
IO7
2 of 26