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零件编号
产品描述 (功能)
UL634H256TC55 查看數據表(PDF) - Zentrum Mikroelektronik Dresden AG
零件编号
产品描述 (功能)
生产厂家
UL634H256TC55
Low Voltage PowerStore32K x 8 nvSRAM
Zentrum Mikroelektronik Dresden AG
UL634H256TC55 Datasheet PDF : 13 Pages
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UL635H256
Write Cycle #1: W-controlled
j
Ai
E
W
DQi
Input
DQi
Output
t
cW
(12)
Address Valid
t
su(E)
(17)
t
h(A)
(21)
t
su(A)
(15)
t
su(A-WH)
(16)
t
w(W)
(13)
t
su(D)
(19)
t
h(D)
(20)
t
dis(W)
Previous Data Valid
Input Data Valid
(22)
t
en(W)
(23)
High Impedance
Write Cycle #2: E-controlled
j
Ai
E
W
DQi
Input
DQi
Output
t
su(A)
(15)
t
cW
(12)
Address Valid
t
w(E)
(18)
t
h(A)
(21)
t
su(W)
(14)
t
su(D)
(19)
t
h(D)
(20)
Input Data Valid
High Impedance
undefined
L- to H-level
H- to L-level
i: If W is low and when E goes low, the outputs remain in the high impedance state.
j: E or W must be V
IH
during address transition.
6
April 7, 2005
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