參數(shù)資料
型號(hào)： X9401WV24IZ-2.7
廠(chǎng)商： Intersil
文件頁(yè)數(shù)： 12/18頁(yè)
文件大小： 0K
描述： IC XDCP QUAD 64-TAP 10K 24-TSSOP
標(biāo)準(zhǔn)包裝： 62
系列： XDCP™
接片： 64
電阻（歐姆）： 10k
電路數(shù)： 4
溫度系數(shù)： 標(biāo)準(zhǔn)值 ±300 ppm/°C
存儲(chǔ)器類(lèi)型： 非易失
接口： 6 線(xiàn) SPI（芯片選擇，設(shè)備位址）
電源電壓： 2.7 V ~ 5.5 V
工作溫度： -40°C ~ 85°C
安裝類(lèi)型： 表面貼裝
封裝/外殼： 24-TSSOP（0.173"，4.40mm 寬）
供應(yīng)商設(shè)備封裝： 24-TSSOP
包裝： 管件
3
FN8190.4
October 13, 2009
Pinouts
X9401
(24 LD SOIC)
TOP VIEW
X9401
(24 LD TSSOP)
TOP VIEW
Device Description
The X9401 is a highly integrated microcircuit incorporating
four resistor arrays and their associated registers and
counters and the serial interface logic providing direct
communication between the host and the XDCP
potentiometers.
Serial Interface
The X9401 supports the SPI interface hardware
conventions. The device is accessed via the SI input with
data clocked in on the rising SCK. CS must be LOW and the
HOLD and WP pins must be HIGH during the entire
operation.
The SO and SI pins can be connected together, since they
have three state outputs. This can help to reduce system pin
count.
Array Description
The X9401 is comprised of four resistor arrays. Each array
contains 63 discrete resistive segments that are connected
in series. The physical ends of each array are equivalent to
the fixed terminals of a mechanical potentiometer (VH/RH
and VL/RL inputs).
At both ends of each array and between each resistor
segment is a CMOS switch connected to the wiper (VW/RW)
output. Within each individual array only one switch may be
turned on at a time.
These switches are controlled by a Wiper Counter Register
(WCR). The six bits of the WCR are decoded to select, and
enable, one of sixty-four switches.
Wiper Counter Register (WCR)
The X9401 contains four Wiper Counter Registers, one for
each XDCP potentiometer. The WCR is equivalent to a
serial-in, parallel-out register/counter with its outputs
decoded to select one of sixty-four switches along its resistor
array. The contents of the WCR can be altered in four ways:
it may be written directly by the host via the Write Wiper
Counter Register instruction (serial load); it may be written
indirectly by transferring the contents of one of four
associated data registers via the XFR Data Register or
Global XFR Data Register instructions (parallel load); it can
be modified one step at a time by the Increment/Decrement
instruction. Finally, it is loaded with the contents of its data
register zero (R0) upon power-up.
The Wiper Counter Register is a volatile register; that is, its
contents are lost when the X9401 is powered-down.
Although the register is automatically loaded with the value
in R0 upon power-up, this may be different from the value
present at power-down. The wiper position must be stored in
R0 to insure restoring the wiper position after power-up.
Pin Descriptions
SOIC
PIN #
TSSOP
PIN #
SYMBOL
DESCRIPTION
523
CS
Chip select
17
11
SCK
Serial Clock
7, 19
1, 13
SI, S0
Serial Data
20, 8
14, 2
A0 - A1
Device Address
3, 10,
15, 22,
2, 9,
16, 23
21, 4,
9, 16,
20, 3,
10, 17
VH0/RH0,VH1/RH1,
VH2/RH2, VH3/RH3,
VL0/RL0, VL1/RL1,
VL2/RL2, VL3/RL3
Potentiometer end
terminals
4, 11,
14, 21
22, 5,
8, 15
VW0/RW0, VW1/RW1,
VW2/RW2, VW3/RW3
Wipers
624
WP
Hardware Write Protection
18
12
HOLD
Hardware Hold
119
VCC
System Supply Voltage
12
6
VSS
System Ground
13, 24
7, 18
NC
No Connection
1
2
3
4
5
6
7
8
9
10
11
12
VCC
VL0/RL0
VH0/RH0
VW0/RW0
CS
WP
SI
A1
VL1/RL1
VH1/RH1
VW1/RW1
VSS
16
17
18
19
20
21
22
23
24
15
14
13
NC
VH3/RH3
VW3/RW3
A0
S0
SCK
VH2/RH2
VW2/RW2
NC
VL3/RL3
HOLD
VL2/RL2
1
2
3
4
5
6
7
8
9
10
11
12
16
17
18
19
20
21
22
23
24
15
14
13
SI
A1
VL1/RL1
VH1/RH1
VW1/RW1
VSS
NC
VW2/RW2
VH2/RH2
VL2/RL2
SCK
HOLD
WP
VW0/RW0
VH0/RH0
VL0/RL0
VCC
VL3/RL3
VW3/RW3
A0
S0
CS
NC
VH3/RH3
X9401
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X9401WV24IZT1 功能描述:IC XDCP QUAD 64-TAP 10K 24-TSSOP RoHS:是 類(lèi)別:集成電路 (IC) >> 數(shù)據(jù)采集 - 數(shù)字電位器 系列:XDCP™ 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:2,500 系列:- 接片:256 電阻（歐姆）:100k 電路數(shù):2 溫度系數(shù):標(biāo)準(zhǔn)值 35 ppm/°C 存儲(chǔ)器類(lèi)型:易失 接口:6 線(xiàn)串行（芯片選擇，遞增，增/減） 電源電壓:2.6 V ~ 5.5 V 工作溫度:-40°C ~ 125°C 安裝類(lèi)型:表面貼裝 封裝/外殼:14-TSSOP（0.173"，4.40mm 寬） 供應(yīng)商設(shè)備封裝:14-TSSOP 包裝:帶卷 (TR)
X9401WV24T1 功能描述:IC XDCP QUAD 64-TAP 10K 24-TSSOP RoHS:否 類(lèi)別:集成電路 (IC) >> 數(shù)據(jù)采集 - 數(shù)字電位器 系列:XDCP™ 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:2,500 系列:- 接片:32 電阻（歐姆）:50k 電路數(shù):1 溫度系數(shù):標(biāo)準(zhǔn)值 50 ppm/°C 存儲(chǔ)器類(lèi)型:易失 接口:3 線(xiàn)串行（芯片選擇，遞增，增/減） 電源電壓:2.7 V ~ 5.5 V 工作溫度:-40°C ~ 85°C 安裝類(lèi)型:表面貼裝 封裝/外殼:SOT-23-6 細(xì)型，TSOT-23-6 供應(yīng)商設(shè)備封裝:TSOT-23-6 包裝:帶卷 (TR)
X9401WV24Z 功能描述:IC XDCP QUAD 64-TAP 10K 24-TSSOP RoHS:是 類(lèi)別:集成電路 (IC) >> 數(shù)據(jù)采集 - 數(shù)字電位器 系列:XDCP™ 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:2,500 系列:- 接片:256 電阻（歐姆）:100k 電路數(shù):2 溫度系數(shù):標(biāo)準(zhǔn)值 35 ppm/°C 存儲(chǔ)器類(lèi)型:易失 接口:6 線(xiàn)串行（芯片選擇，遞增，增/減） 電源電壓:2.6 V ~ 5.5 V 工作溫度:-40°C ~ 125°C 安裝類(lèi)型:表面貼裝 封裝/外殼:14-TSSOP（0.173"，4.40mm 寬） 供應(yīng)商設(shè)備封裝:14-TSSOP 包裝:帶卷 (TR)
X9401WV24Z-2.7 功能描述:IC XDCP QUAD 64-TAP 10K 24-TSSOP RoHS:是 類(lèi)別:集成電路 (IC) >> 數(shù)據(jù)采集 - 數(shù)字電位器 系列:XDCP™ 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:2,500 系列:- 接片:256 電阻（歐姆）:100k 電路數(shù):2 溫度系數(shù):標(biāo)準(zhǔn)值 35 ppm/°C 存儲(chǔ)器類(lèi)型:易失 接口:6 線(xiàn)串行（芯片選擇，遞增，增/減） 電源電壓:2.6 V ~ 5.5 V 工作溫度:-40°C ~ 125°C 安裝類(lèi)型:表面貼裝 封裝/外殼:14-TSSOP（0.173"，4.40mm 寬） 供應(yīng)商設(shè)備封裝:14-TSSOP 包裝:帶卷 (TR)
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