U637256
Software Controlled STORE/RECALL Cyclet, u, v (E = HIGH after STORE initiation)
tcR
(27)
tcR
(27)
ADDRESS 6
Ai
E
ADDRESS 1
(32)
tw(E)SR
tsu(A)SR
(33)
(31)
th(A)SR
td(E)S
td(E)R
(30)
(29)
DQi
Output
High Impedance
VALID
VALID
tdis(E)SR (28)
Software Controlled STORE/RECALL Cyclet, u, v (E = LOW after STORE initiation)
tcR (29)
ADDRESS 1
ADDRESS 6
Ai
E
th(A)SR
t
(35)
w(E)SR (34)
(35)
tsu(A)SR
(33)
High Impedance
(33)
tsu(A)SR
th(A)SR
td(E)R (32)
t
d(E)S (31)
DQi
Output
VALID
VALID
tdis(E)SR
(30)
u: W must be HIGH when E is LOW during the address sequence in order to initiate a nonvolatile cycle. G may be either HIGH or LOW
throughout. Addresses 1 through 6 are found in the mode selection table. Address 6 determines wheter the U637256 performs a STORE
or RECALL.
v: E must be used to clock in the address sequence for the Software controlled STORE and RECALL cycles.
August 15, 2006
STK Control #ML0054
9
Rev 1.1
SIMTEK [ SIMTEK CORPORATION ]
