STK14C88
w
b, f
SOFTWARE-CONTROLLED STORE/RECALL CYCLE
(V = 5.0V ± 10%)
CC
SYMBOLS
STK14C88-20 STK14C88-25 STK14C88-35 STK14C88-45
NO.
PARAMETER
UNITS NOTES
Standard Alternate
MIN
20
0
MAX
MIN
25
0
MAX
MIN
35
0
MAX
MIN
45
0
MAX
33
34
35
36
37
t
t
t
t
t
t
t
t
STORE/RECALL Initiation Cycle Time
Address Set-up Time
Clock Pulse Width
ns
ns
ns
ns
µs
r
AVAV
RC
AS
v
v
v
AVEL
15
15
20
20
25
20
30
20
ELEH
ELAX
RECALL
CW
Address Hold Time
RECALL Duration
20
20
20
20
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.
w
SOFTWARE STORE/RECALL CYCLE: E CONTROLLED
33
AVAV
33
t
AVAV
t
ADDRESS #1
ADDRESS #6
ADDRESS
34
AVEL
35
t
ELEH
t
E
36
ELAX
t
28
37
RECALL
t
STORE / t
HIGH IMPEDANCE
DATA VALID
DATA VALID
DQ (DATA
July 1999
5-27
SIMTEK [ SIMTEK CORPORATION ]
