参数资料
型号: PCF8574T/3,512
厂商: NXP Semiconductors
文件页数: 6/24页
文件大小: 0K
描述: IC I/O EXPANDER I2C 8B 16SOIC
产品培训模块: I²C Bus Fundamentals
特色产品: NXP - I2C Interface
标准包装: 48
接口: I²C
输入/输出数: 8
中断输出:
频率 - 时钟: 100kHz
电源电压: 2.5 V ~ 6 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 16-SOIC(0.295",7.50mm 宽)
供应商设备封装: 16-SO
包装: 管件
包括: POR
产品目录页面: 827 (CN2011-ZH PDF)
配用: 568-3615-ND - DEMO BOARD I2C
其它名称: 568-1076-5
935275617512
PCF8574TD
2002 Nov 22
14
Philips Semiconductors
Product specication
Remote 8-bit I/O expander for I2C-bus
PCF8574
8
LIMITING VALUES
In accordance with the Absolute Maximum Rating System (IEC 60134).
9
HANDLING
Inputs and outputs are protected against electrostatic discharge in normal handling. However it is good practice to take
normal precautions appropriate to handling MOS devices (see
“Handling MOS devices”).
10 DC CHARACTERISTICS
VDD = 2.5 to 6 V; VSS = 0 V; Tamb = 40 to +85 °C; unless otherwise specied.
SYMBOL
PARAMETER
MIN.
MAX.
UNIT
VDD
supply voltage
0.5
+7.0
V
VI
input voltage
VSS 0.5
VDD + 0.5
V
II
DC input current
±20
mA
IO
DC output current
±25
mA
IDD
supply current
±100
mA
ISS
supply current
±100
mA
Ptot
total power dissipation
400
mW
PO
power dissipation per output
100
mW
Tstg
storage temperature
65
+150
°C
Tamb
ambient temperature
40
+85
°C
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
Supply
VDD
supply voltage
2.5
6.0
V
IDD
supply current
operating mode; VDD =6V;
no load; VI =VDD or VSS;
fSCL = 100 kHz
40
100
A
Istb
standby current
standby mode; VDD =6V;
no load; VI =VDD or VSS
2.5
10
A
VPOR
Power-on reset voltage
VDD = 6 V; no load;
VI =VDD or VSS; note 1
1.3
2.4
V
Input SCL; input/output SDA
VIL
LOW level input voltage
0.5
+0.3VDD
V
VIH
HIGH level input voltage
0.7VDD
VDD + 0.5
V
IOL
LOW level output current
VOL = 0.4 V
3
mA
IL
leakage current
VI =VDD or VSS
1
+1
A
Ci
input capacitance
VI =VSS
7pF
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