U631H16 Datasheet, PDF (6/12 Pages) List of Unclassifed Manufacturers – SOFTSTORE 2K X 8 NVSRAM

U631H16
Write Cycle #1: W-controlled^j
12
t_cW
Ai
Address Valid
21
E
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
17
t_su(E)
AAAAAAAAAAAAAAAAAAAAAAAAAAAA^tAAAA^h(AAAA^A)AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
16
W
15
AAAAAAAAAAAAAAAAAAAA^tAAAA^sAAAA^u(A
-WH) ₁₃
t_w(W)
t_{su(A )}
19
20
t_su(D)
t_h(D)
DQi
Input
DQi
Output
22
t_dis(W)
Previous Data
Input Data
Valid
23
t_en(W)
High Impedance
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
Write Cycle #2: E-controlled^j
Ai
15
t_{su(A )}
E
W
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
DQi
Input
DQi
Output
12
t_cW
Address Valid
21
18
t_h(A)
t_w(E)
14
t_su(W)
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
19
t_su(D)
20
t_h(D)
Input Data
Valid
High Impedance
undefined _{AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA}
L- to H-level _{AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA}
H- to L-level _{AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA}
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 transitions.
6
December 12, 1997