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PCA9557D.112 数据手册 - NXP（恩智浦）
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PCA9557D.112数据手册
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PCA9557 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2013. All rights reserved.
Product data sheet Rev. 7 — 10 December 2013 2 of 30
NXP Semiconductors
PCA9557
8-bit I
2
C-bus and SMBus I/O port with reset
3. Ordering information
3.1 Ordering options
4. Block diagram
Table 1. Ordering information
Type number Topside
marking
Package
Name Description Version
PCA9557BS 9557 HVQFN16 plastic thermal enhanced very thin quad flat package; no leads;
16 terminals; body 4 4 0.85 mm
SOT629-1
PCA9557D PCA9557D SO16 plastic small outline package; 16 leads; body width 3.9 mm SOT109-1
PCA9557PW PCA9557 TSSOP16 plastic thin shrink small outline package; 16 leads;
body width 4.4 mm
SOT403-1
Table 2. Ordering options
Type number Orderable
part number
Package Packing method Minimum
order
quantity
Temperature range
PCA9557BS PCA9557BS,118 HVQFN16 Reel 13” Q1/T1
*Standard mark SMD
6000 T
amb
= 40 C to +85 C
PCA9557D PCA9557D,112 SO16 Standard marking
* IC’s tube - DSC bulk pack
1000 T
amb
= 40 C to +85 C
PCA9557D,118 SO16 Reel 13” Q1/T1
*Standard mark SMD
2500 T
amb
= 40 C to +85 C
PCA9557PW PCA9557PW,112 TSSOP16 Standard marking
* IC’s tube - DSC bulk pack
2400 T
amb
= 40 C to +85 C
PCA9557PW,118 TSSOP16 Reel 13” Q1/T1
*Standard mark SMD
2500 T
amb
= 40 C to +85 C
Fig 1. Block diagram of PCA9557
PCA9557
POWER-ON
RESET
002aad275
I
2
C-BUS/SMBus
CONTROL
INPUT
FILTER
SCL
SDA
V
DD
INPUT/
OUTPUT
PORTS
IO0
V
SS
8-bit
write pulse
read pulse
IO2
IO4
IO6
IO1
IO3
IO5
IO7
A0
A1
A2
RESET
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