STK14C88-45 データシートの表示（PDF） - Simtek Corporation
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STK14C88-45 Datasheet PDF : 12 Pages
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STK14C88
SOFTWARE-CONTROLLED STORE/RECALL CYCLEw
(VCC = 5.0V ± 10%)b, f
SYMBOLS
NO.
Standard Alternate
PARAMETER
STK14C88-20 STK14C88-25 STK14C88-35 STK14C88-45
UNITS NOTES
MIN MAX MIN MAX MIN MAX MIN MAX
33
tAVAV
tRC
34
tAVEL
tAS
35
tELEH
tCW
36
tELAX
37
tRECALL
STORE/RECALL Initiation Cycle Time 20
25
35
45
ns
r
Address Set-up Time
0
0
0
0
ns
v
Clock Pulse Width
15
20
25
30
ns
v
Address Hold Time
15
20
20
20
ns
v
RECALL Duration
20
20
20
20
µs
Note v: The software sequence is clocked with E controlled READs.
Note w: The six consecutive addresses must be in the order listed in the Hardware Mode Selection Table: (0E38, 31C7, 03E0, 3C1F, 303F, 0FC0) for
a STORE cycle or (0E38, 31C7, 03E0, 3C1F, 303F, 0C63) for a RECALL cycle. W must be high during all six consecutive cycles.
SOFTWARE STORE/RECALL CYCLE: E CONTROLLEDw
ADDRESS
33
tAVAV
ADDRESS #1
33
tAVAV
ADDRESS #6
34
tAVEL
35
tELEH
E
DQ (DATA
36
tELAX
DATA VALID
/ 28
37
tSTORE tRECALL
DATA VALID
HIGH IMPEDANCE
July 1999
5-27
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