IBM T541 Service Manual page 25

DIP Package(p)
1 8
A 0
V CC
2 7
A 1
WP
A 2 3 6
SCL
4 5
V SS
SDA
TSSOP Package(U)
1
A 0
2
A 1
A 2 3
4
V SS
PIN CONFIGURATION
PIN FUNCTION
Pin Name
A0, A1, A2 Device Adress Inputs
SDA Serial Data/Address
SCL Serial Clock
WP Write Protect
Vcc +1.8V to + 6.0V power Supply
Vss Ground
A1 1
Y1
2
3
A2
4
Y2
5
A3
Y3
6
GND
7
PIN CONFIGURATION
CAT24WC08J-TE13 8P
SOIX Package(J)
1 8
A 0
V CC
2 7
A 1
WP
A 2 3 6
SCL
4 5
V SS
SDA
8
V CC
7
WP
6
SCL
5
SDA
Function
MC74HCT14ADR2 14P
V
14
CC
AS
13
12
Y6
11
A5
10
Y5
A4
9
Y4
8
BLOCK DIAGRAM
EXTERNAL LOAD
D OUT
ACK
V CC
V SS WORD ADDRESS
BUFFERS
START/STOP
SDA
LOGIC
CONTROL
WP
LOGIC
STATE COUNTERS
SCL
A 0 SLAVE
A 1 ADDRESS
A 2
COMPARATORS
BLOCK DIAGRAM
- 25 -
SENSE AMPS
SHIFT REGISTERS
COLUMN
DECODERS
2
E PROM
XDEC
DATA IN STORAGE
HIGH VOLTAGE/
TIMING CONTROL
1 2
A1 Y1
3 4
A2 Y2
5 6
A3 Y3
9 8
A4 Y4
11 10
A5 Y5
13 12
A6 Y6
PIN 14=V
CC
PIN 7=GND