PCA8581 View Datasheet(PDF) - Philips Electronics
Part Name
Description
MFG CO.
'PCA8581' PDF : 20 Pages View PDF
Philips Semiconductors
128 × 8-bit EEPROM with I2C-bus interface
5 BLOCK DIAGRAM
Product specification
PCA8581; PCA8581C
handbook, full pagewidth
PCA8581
PCA8581C
1
A0
2
A1
3
A2
6
SCL
5
SDA
INPUT
FILTER
TIMER
WORD
ADDRESS
REGISTER 7
I2C BUS
CONTROL
VOLTAGE
MULTIPLIER
ROW
SELECT
MEMORY
CELL
ARRAY
COLUMN
SELECT
MULTIPLEXER
VDD
8
4
VSS
7
TEST
POWER
ON
RESET
SHIFT
8
REGISTER
R/W
CONTROL
MLB887
Fig.1 Block diagram.
6 PINNING
SYMBOL PIN
A0
1
A1
2
A2
3
VSS
4
SDA
5
SCL
6
TEST
7
VDD
8
DESCRIPTION
hardware address input 0
hardware address input 1
hardware address input 2
negative supply
serial data input/output
serial clock input
test output can be connected to VSS, VDD or left
open-circuit
positive supply
fpage
A0 1
8 VDD
A1 2 PCA8581 7 TEST
A2 3 PCA8581C 6 SCL
VSS 4
5 SDA
MLB888
Fig.2 Pin configuration.
1997 Apr 02
4
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