参数资料
型号: PCA8574TS,112
厂商: NXP Semiconductors
文件页数: 21/32页
文件大小: 0K
描述: IC I/O EXPANDER I2C 8B 20SSOP
特色产品: NXP - I2C Interface
标准包装: 75
接口: I²C
输入/输出数: 8
中断输出:
频率 - 时钟: 400kHz
电源电压: 2.3 V ~ 5.5 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 20-LSSOP(0.173",4.40mm 宽)
供应商设备封装: 20-SSOP
包装: 管件
包括: POR
其它名称: 568-4242-5
935283487112
PCA8574TS
PCA8574_PCA8574A
All information provided in this document is subject to legal disclaimers.
NXP B.V. 2013. All rights reserved.
Product data sheet
Rev. 3 — 3 June 2013
28 of 32
NXP Semiconductors
PCA8574; PCA8574A
Remote 8-bit I/O expander for I2C-bus with interrupt
19. Abbreviations
20. Revision history
Table 13.
Abbreviations
Acronym
Description
CDM
Charged-Device Model
CMOS
Complementary Metal Oxide Semiconductor
ESD
ElectroStatic Discharge
FF
Flip-Flop
GPIO
General Purpose Input/Output
HBM
Human Body Model
I/O
Input/Output
I2C-bus
Inter-Integrated Circuit bus
IC
Integrated Circuit
LED
Light Emitting Diode
LP
Low-Pass
LSB
Least Significant Bit
MSB
Most Significant Bit
PLC
Programmable Logic Controller
POR
Power-On Reset
SMBus
System Management Bus
Table 14.
Revision history
Document ID
Release date
Data sheet status
Change notice
Supersedes
PCA8574_PCA8574A v.3 20130603
Product data sheet
-
PCA8574_PCA8574A v.2
Modifications:
added (new) first bullet item
appended “(Fast-mode I2C-bus)” to second bullet item
added (new) third bullet item
(new) fifth bullet item changed from “50 mA sink capability” to “25 mA sink capability”
deleted (old) eighth bullet item, “Readable device ID (manufacturer, device type, and
revision)”
12th bullet item: deleted phrase “200 V MM per JESD22-A115”
14th bullet item: deleted “DIP16”
deleted discontinued DIP16 package option (PCA8574N, PCA8574AN)
Topside mark for PCA8574ATS corrected from “PCA8574A” to “PA8574A”
Figure 1 “Block diagram” modified: switched positions of blocks “INTERRUPT LOGIC” and
“LP FILTER”
“VDD” and “P0 to P7” signal lines
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