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STK14D88
Document Number: 001-52037 Rev. ** Page 8 of 17
Software-Controlled STORE/RECALL Cycle
[13, 14]
No.
Symbols
Parameter
STK14D88-25 STK14D88-35 STK14D88-45
Unit Notes
E Cont
Alternate
Min Max Min Max Min Max
26 t
AVAV
t
RC
STORE/RECALL Initiation Cycle Time 25 35 45 ns 14
27
t
AVEL
t
AS
Address Setup Time 0 0 0 ns
28
t
ELEH
t
CW
Clock Pulse Width 20 25 30 ns
29
t
EHAX
Address Hold Time 1 1 1 ns
30
t
RECALL
RECALL Duration 50 50 50 μs
Figure 9. E
and G Controlled Software STORE/RECALL Cycle
[14]
DATA VALID
HIGH IMPEDANCE
ADDRESS #6ADDRESS #1
DATA VALID
26
t
AVAV
DATA VALID
DQ (DATA
E
ADDRESS
23 30
t
STORE
/ t
RECALL
26
t
AVAV
27
t
AVEL
28
t
ELEH
29
t
ELAX
Notes
13.The software sequence is clocked on the falling edge of E
controlled READs.
14. The six consecutive addresses must be read in the order listed in the software STORE/RECALL Mode Selection Table. W
must be high during all six consecutive cycles.
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