參數(shù)資料
型號(hào)： X9241AYPZ
廠商： INTERSIL CORP
元件分類： 數(shù)字電位計(jì)
英文描述： HANDSET CORD, LIGHT GRAY 6 FT.
中文描述： QUAD 2K DIGITAL POTENTIOMETER, 2-WIRE SERIAL CONTROL INTERFACE, 64 POSITIONS, PDIP20
封裝： GREEN, PLASTIC, DIP-20
文件頁(yè)數(shù)： 2/18頁(yè)
文件大?。?/td> 364K
代理商： X9241AYPZ
X9241A
Characteristics subject to change without notice.
2 of 18
REV 1.1.13 12/09/02
www.xicor.com
PIN DESCRIPTIONS
Host Interface Pins
Serial Clock (SCL)
The SCL input is used to clock data into and out of the
X9241A.
Serial Data (SDA)
SDA is a bidirectional pin used to transfer data into
and out of the device. It is an open drain output and
may be wire-ORed with any number of open drain or
open collector outputs. An open drain output requires
the use of a pull-up resistor. For selecting typical
values, refer to the guidelines for calculating typical
values on the bus pull-up resistors graph.
Address
The Address inputs are used to set the least
significant 4 bits of the 8-bit slave address. A match in
the slave address serial data stream must be made
with the Address input in order to initiate
communication with the X9241A.
Potentiometer Pins
V
H
/R
H
(V
H0
and R
/R
H0
—V
H3
/R
H3
), V
L
/R
L
(V
L0
/R
L0
—V
L3
/R
L3
)
The R
connections on either end of a mechanical
potentiometer.
H
L
inputs are equivalent to the terminal
V
W
/R
W
(V
W0
/R
W0
—V
W3
/R
W3
)
The wiper outputs are equivalent to the wiper output of
a mechanical potentiometer.
PIN CONFIGURATION
PIN NAMES
PRINCIPLES OF OPERATION
The X9241A is a highly integrated microcircuit
incorporating four resistor arrays, their associated
registers and counters and the serial interface logic
providing direct communication between the host and
the XDCP potentiometers.
Symbol
Description
SCL
SDA
A0–A3
V
H0
V
L0
V
W0
Serial Clock
Serial Data
Address
Potentiometer Pins
(terminal equivalent)
Potentiometer Pins
(wiper equivalent)
/R
/R
/R
H0
L0
–V
–V
–V
H3
L3
/R
/R
H3
L3
/R
,
W0
W3
W3
V
W0
/R
W0
V
L0
/R
L0
V
H0
/R
H0
A0
A2
V
H1
/R
H1
SDA
V
SS
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
V
CC
V
W3
/R
W3
V
L3
/R
L3
V
H3
/R
H3
A1
A3
SCL
V
W2
/R
W2
V
L2
/R
L2
V
H2
/R
H2
DIP/SOIC/TSSOP
X9241A
V
W1
/R
W1
V
L1
/R
L1
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X9241AYSIT1C7975 制造商:Intersil Corporation 功能描述:ITSX9241AYSIT1C7975 QUAD CMOS EEPOT 2K O
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