ISL95311 Intersil Corporation, ISL95311 Datasheet - Page 2

• Manufacturer Part Number: ISL95311
• Description: 128 Taps I2C Interface
• Manufacturer: Intersil Corporation

Block Diagram
Pin Descriptions
PIN NUMBER
10
1
2
3
4
5
6
7
8
9
SCL
SDA
A1
A0
SIMPLE BLOCK DIAGRAM
CONTROL
MEMORY
GND
AND
VCC
SYMBOL
GND
VCC
SDA
2
SCL
R W
R H
V+
A1
A0
R L
V+
R
R
R
W
H
L
Data I/O for I
drain active low outputs
Ground
Positive logic supply voltage
Address select pin used to set the slave address for the I
Address select pin used to set the slave address for the I
A fixed terminal for one end of the potentiometer resistor
The wiper terminal which is equivalent to the movable terminal of a potentiometer
A fixed terminal for one end of the potentiometer resistor
Positive bias voltage for the potentiometer wiper control
Clock input for the I
SDA
SCL
A1
A0
2
C serial interface; it has an open drain output and may be wire-or’d with other open
ISL95311
NONVOLATILE
(VOLATILE)
STORE AND
REGISTER
2
CIRCUITRY
ADDRESS
CONTROL
DECODE
MEMORY
C serial interface
RECALL
WIPER
SLAVE
7-BIT
7-BIT
DECODER
DESCRIPTION
ONE
128
OF
127
126
125
124
DETAILED BLOCK DIAGRAM
2
1
0
2
2
TRANSFER
C serial interface
C serial interface
GATES
RESISTOR
ARRAY
R
R
R
May 6, 2005
H
L
W
FN8084.0