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參數(shù)資料
型號(hào): X93156WM8IZ
廠商: Intersil
文件頁(yè)數(shù): 5/7頁(yè)
文件大?。?/td> 0K
描述: IC XDCP 32-TAP 12.5K 3WIRE 8MSOP
產(chǎn)品培訓(xùn)模塊: Digitally Controlled Potentiometers
標(biāo)準(zhǔn)包裝: 80
系列: XDCP™
接片: 32
電阻(歐姆): 12.5k
電路數(shù): 1
溫度系數(shù): 標(biāo)準(zhǔn)值 ±35 ppm/°C
存儲(chǔ)器類型: 非易失
接口: 3 線串行(芯片選擇,遞增,增/減)
電源電壓: 4.5 V ~ 5.5 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 8-TSSOP,8-MSOP(0.118",3.00mm 寬)
供應(yīng)商設(shè)備封裝: 8-MSOP
包裝: 管件
5
FN8182.3
November 21, 2007
AC Timing
Power-Up and Down Requirements
There are no restrictions on the power-up or power-down
conditions of VCC and the voltages applied to the
potentiometer pins provided that VCC is always more
positive than or equal to VH and VL, i.e., VCC ≥ VH,VL. The
VCC ramp rate spec is always in effect.
Pin Descriptions
RH and RL
The RH and RL pins of the X93156 are equivalent to the fixed
terminals of a mechanical potentiometer. The minimum
voltage is VSS and the maximum is VCC. The terminology of
RH and RL references the relative position of the terminal in
relation to wiper movement direction selected by the U/D
input.
Rw
The Rw pin of the X93156 is the wiper terminal of the
potentiometer which is equivalent to the movable terminal of
a mechanical potentiometer.
Up/Down (U/D)
The U/D input controls the direction of the wiper movement
and whether the counter is incremented or decremented.
Increment (INC)
The INC input is negative-edge triggered. Toggling INC will
move the wiper and either increment or decrement the
counter in the direction indicated by the logic level on the
U/D input.
Chip Select (CS)
The device is selected when the CS input is LOW. The
current counter value is stored in nonvolatile memory when
CS is returned HIGH while the INC input is also HIGH. After
the store operation is complete the X93156 will be placed in
the low power standby mode until the device is selected
once again.
tR, tF
(Note 7)
INC input rise and fall time
500
s
tR VCC
(Note 7)
VCC power-up rate
0.2
50
V/ms
tWR
Store cycle
510
ms
AC Electrical Specifications
Over recommended operating conditions unless otherwise specified. (Continued)
SYMBOL
PARAMETER
MIN
TYP
MAX
UNIT
CS
INC
U/D
RW
tCI
tIL
tIH
tCYC
tID
tDI
tIW
MI
(Note 4)
tIC
tCPHS
tF
tR
10%
90%
tCPHNS
X93156
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