參數(shù)資料
型號(hào)： X9409YV24I
元件分類： 數(shù)字電位計(jì)
英文描述： QUAD 2.5K DIGITAL POTENTIOMETER, 2-WIRE SERIAL CONTROL INTERFACE, 64 POSITIONS, PDSO24
封裝： PLASTIC, TSSOP-24
文件頁(yè)數(shù)： 4/21頁(yè)
文件大?。?/td> 149K
代理商： X9409YV24I
X9409 – Preliminary Information
Characteristics subject to change without notice.
12 of 21
REV 1.8 4/13/04
www.xicor.com
ENDURANCE AND DATA RETENTION
CAPACITANCE
POWER-UP TIMING
POWER UP REQUIREMENTS (Power Up sequencing can affect correct recall of the wiper registers)
The preferred power-on sequence is as follows: First VCC, then the potentiometer pins, RH, RL, and RW. The VCC
ramp rate specication should be met, and any glitches or slope changes in the VCC line should be held to <100mV
if possible. If VCC powers down, it should be held below 0.1V for more than 1 second before powering up again in
order for proper wiper register recall. Also, VCC should not reverse polarity by more than 0.5V. Recall of wiper
position will not be complete until VCC reaches its nal value.
Notes: (4) This parameter is periodically sampled and not 100% tested
(5) tPUR and tPUW are the delays required from the time the (last) power supply (VCC) is stable until the specic instruction can be
issued. These parameters are periodically sampled and not 100% tested.
(6) Sample tested only.
D.C. OPERATING CHARACTERISTICS
(Over the recommended operating conditions unless otherwise specified.)
Symbol
Parameter
Limits
Test Conditions
Min.
Typ.
Max.
Unit
ICC1
VCC supply current (Active)
100
A
fSCL = 400kHz, SDA = Open,
Other Inputs = VSS
ICC2
VCC supply current
(Nonvolatile Write)
1mA
fSCL = 400kHz, SDA = Open,
Other Inputs = VSS
ISB
VCC current (standby)
1
A
SCL = SDA = VCC, Addr. = VSS
ILI
Input leakage current
10
A
VIN = VSS to VCC
ILO
Output leakage current
10
A
VOUT = VSS to VCC
VIH
Input HIGH voltage
VCC x 0.7
VCC + 0.5
V
VIL
Input LOW voltage
–0.5
VCC x 0.1
V
VOL
Output LOW voltage
0.4
V
IOL = 3mA
Parameter
Min.
Unit
Minimum endurance
100,000
Data changes per bit per register
Data retention
100
Years
Symbol
Test
Max.
Unit
Test Conditions
CI/O
(4)
Input/output capacitance (SDA)
8
pF
VI/O = 0V
CIN
(4)
Input capacitance (A0, A1, A2, A3, and SCL)
6
pF
VIN = 0V
Symbol
Parameter
Min.
Max.
Unit
tr VCC
(6)
VCC power-up rate
0.2
50
V/ms
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X9409YZ24I 制造商:XICOR 制造商全稱:Xicor Inc. 功能描述:Quad Digitally Controlled Potentiometers
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