參數(shù)資料
型號: BU9831
廠商: Rohm CO.,LTD.
元件分類: 數(shù)字電位計
英文描述: Non-volatile electronic potentiometer
中文描述: 非易失性電子電位器
文件頁數(shù): 7/13頁
文件大?。?/td> 149K
代理商: BU9831
s
Reading of input data is done at the rising edge of SK.
s
Output of data is synchronized to the falling edge of SK.
s
Between commands, CS should be set to HIGH for longer than tCS.
If CS remains LOW, the next command cannot be received.
7
Memory ICs
BU9831 / BU9831F
(unless otherwise noted, Ta = – 20 to + 85°C, V
CC
= 5V ± 10%)
Parameter
Symbol
Min.
Typ.
Max.
Unit
t
CSS
400
ns
CS setup time
t
CSH
0
ns
CS hold time
t
DIS
300
ns
Data setup time
t
DIH
300
ns
Data hold time
t
PD1
700
ns
DO rise delay time
t
PD0
700
ns
DO fall delay time
tE / W
15
ms
Self-timed programming cycle
t
CS
2
μ
s
μ
s
CS minimum HIGH time
t
SV
2
Time during which READY / BUSY display is effective
t
OH
0
800
ns
Time that DO is HIGH-Z from (CS)
t
WH
900
ns
Data clock HIGH time
t
WL
900
ns
Data clock LOW time
t
AW
1000
μ
s
Resistance value stabilization time
Synchronous data I / O timing
t CSS
t CSH
t PD
t DIS
t PD
t OH
t DIH
t WH
t CS
t WL
CS
SK
Input DIO
Output DIO
Fig. 10 Synchronous data I / O timing
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