參數(shù)資料
型號(hào): X9438WS24I-2.7
廠商: INTERSIL CORP
元件分類: 數(shù)字電位計(jì)
英文描述: Dual Digitally Controlled Potentiometer (XDCP) with Operational Amplifier
中文描述: DUAL 10K DIGITAL POTENTIOMETER, 2-WIRE SERIAL CONTROL INTERFACE, 64 POSITIONS, PDSO24
封裝: PLASTIC, SOIC-24
文件頁數(shù): 14/18頁
文件大小: 280K
代理商: X9438WS24I-2.7
14
FN8199.0
March 11, 2005
AC TIMING
Note:
(4) V
CC
= 5V/2.7V
HIGH-VOLTAGE WRITE CYCLE TIMING
DCP TIMING
V
CC
RAMP
(sample tester)
Symbol
f
SCL
t
CYC
t
HIGH
t
LOW
t
SU:STA
t
HD:STA
t
SU:STO
t
SU:DAT
t
HD:DAT(4)
t
R
t
F
t
AA
t
DH
T
I
t
BUF
t
SU:WPA
t
HD:WPA
Parameter
Min.
Max.
400
Unit
kHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Clock frequency
Clock cycle time
Clock high time
Clock low time
Start setup time
Start hold time
Stop setup time
SDA data input setup time
SDA data input hold time
SCL and SDA rise time
SCL and SDA fall time
SCL low to SDA data output valid time
SDA data output hold time
Noise suppression time constant at SCL and SDA inputs
Bus free time (Prior to Any Transmission)
WP, A0, A1, A2 and A3 setup time
WP, A0, A1, A2 and A3 hold time
2500
600
1300
600
600
600
100
0/30
300
300
900
100
50
50
1300
0
0
Symbol
t
WR
Parameter
Typ.
5
Max.
10
Unit
ms
High-voltage write cycle time (store instructions)
Symbol
t
WRL
Parameter
Min.
Max.
10
Unit
μs
Wiper response time after instruction issued (All load instructions)
Symbol
trV
CC
Parameter
Typ.
.2
Max.
50
Unit
V/ms
V
CC
Power-up rate
X9438
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