Cypress STK14D88 Manual De Usuario
STK14D88
Document Number: 001-52037 Rev. **
Page 8 of 17
Software-Controlled STORE/RECALL Cycle
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
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
DATA VALID
HIGH IMPEDANCE
ADDRESS #6
ADDRESS #1
DATA VALID
t
AVAV
DATA VALID
DQ (DATA
E
ADDRESS
t
STORE
/
t
RECALL
t
AVAV
t
AVEL
t
ELEH
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.
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.