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U630H64DK25 查看數據表(PDF) - Zentrum Mikroelektronik Dresden AG

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U630H64DK25 HardStore 8K x 8 nvSRAM ZMD
Zentrum Mikroelektronik Dresden AG ZMD
U630H64DK25 Datasheet PDF : 14 Pages
1 2 3 4 5 6 7 8 9 10 Next Last
U630H64
No. RECALL CYCLE G-controlled
46 RECALL Cycle Time
47 RECALL Initiation Cycle Time
48 NE Setup
49 Write Enable Setup
50 Chip Enable Setup
RECALL CYCLE: G-controlledo, r
Symbol
Alt.
tGLQXR
tGLNH
tNLGL
tWHGL
tELGL
IEC
td(G)R
tw(G)R
tsu(N)R
tsu(W)R
tsu(E)R
Min.
25
5
5
5
Max.
20
Unit
µs
ns
ns
ns
ns
NE AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
48
tsu(N)R
G
W AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
49
tsu(W)R
E AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
50
tsu(E)R
DQi
Output
High Impedance
47
tw(G)R
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
46
td(G)R
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
m: Measured with W and NE both returned HIGH, and G returned LOW. Note that STORE cycles are
inhibited/aborted by VCC < VSWITCH (STORE inhibit).
n: Once tw(W)S has been satisfied by NE, G, W and E, the STORE cycle is completed automatically. Any of NE, G, W and E may be used to
terminate the STORE initiation cycle.
o: If E is LOW for any period of time in which W is HIGH while G and NE are LOW, than a RECALL cycle may be initiated.
For E-controlled STORE during tw(E)S W, G, NE have to be static.
p: Measured with W and NE both HIGH, and G and E LOW.
q: Once tw(N)R has been satisfied by NE, G, W and E, the RECALL cycle is completed automatically. Any of NE, G or E may be used to
terminate the RECALL initiation cycle.
r: If W is LOW at any point in which both E and NE are LOW and G is HIGH, than a STORE cycle will be initiated instead of a RECALL.
10
December 12, 1997
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