PCF8574_07 Datasheet, PDF (1/23 Pages) Texas Instruments – REMOTE 8-BIT I/O EXPANDER FOR I2C BUS

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FEATURES
• Low Standby-Current Consumption of
10 µA Max
• I²C to Parallel-Port Expander
• Open-Drain Interrupt Output
• Compatible With Most Microcontrollers
DW OR N PACKAGE
(TOP VIEW)
A0 1
A1 2
A2 3
P0 4
P1 5
P2 6
P3 7
GND 8
16 V_CC
15 SDA
14 SCL
13 INT
12 P7
11 P6
10 P5
9 P4
RGT PACKAGE
(TOP VIEW)
V_CC 1
A0 2
A1 3
A2 4
12 P6
11 P5
10 P4
9 GND
PCF8574
REMOTE 8-BIT I/O EXPANDER FOR I²C BUS
SCPS068F – JULY 2001 – REVISED OCTOBER 2006
• Latched Outputs With High-Current Drive
Capability for Directly Driving LEDs
• Latch-Up Performance Exceeds 100 mA Per
JESD 78, Class II
RGY PACKAGE
(TOP VIEW)
1
SCL 2
NC 3
SDA 4
V_CC 5
A0 6
A1 7
NC 8
A2 9
10
20
19 P6
18 NC
17 P5
16 P4
15 GND
14 P3
13 NC
12 P2
11
NC – No internal connection
DGV OR PW PACKAGE
(TOP VIEW)
INT ¹
SCL ²
NC ³
SDA ⁴
V_CC ⁵
A0 ⁶
A1 ⁷
NC ⁸
A2 ⁹
P0 ¹⁰
20 P7
19 P6
18 _NC
17 _P5
16 _P4
15 _GND
14 _P3
13 _NC
12 _P2
11 _P1
NC – No internal connection
DESCRIPTION/ORDERING INFORMATION
This 8-bit input/output (I/O) expander for the two-line bidirectional bus (I²C) is designed for 2.5-V to 6-V V_CC
operation.
T_A
–40°C to 85°C
PDIP – N
QFN – RGT
QFN – RGY
SOIC – DW
TSSOP – PW
TVSOP – DGV
ORDERING INFORMATION
PACKAGE ⁽¹⁾
ORDERABLE PART NUMBER TOP-SIDE MARKING
Tube of 25
PCF8574N
PCF8574NE4
PCF8574N
Reel of 3000
PCF8574RGTR
ZWJ
Reel of 1000
PCF8574RGYR
PCF8574RGYRG4
PF574
Tube of 40
Reel of 2000
PCF8574DW
PCF8574DWE4
PCF8574DWR
PCF8574DWRE4
PCF8574
Tube of 70
Reel of 2000
PCF8574PW
PCF8574PWE4
PCF8574PWR
PCF8574PWRE4
PF574
Reel of 2000
PCF8574DGVR
PCF8574DGVRE4
PF574
(1) Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are available at
www.ti.com/sc/package.
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas
Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
Copyright © 2001–2006, Texas Instruments Incorporated