X24C44 Datasheet, PDF (10/15 Pages) Xicor Inc. – Serial Nonvolatile Static RAM

X24C44
NONVOLATILE OPERATIONS
Operation
Hardware Recall
Software Recall
Hardware Store
Software Store
STORE
1
1
0
1
RECALL
0
1
1
1
Software
Instruction
NOP⁽⁵⁾
RCL
NOP⁽⁵⁾
STO
Write Enable
Latch State
X
X
SET
SET
Previous
Recall Latch
State
X
X
SET
SET
3832 PGM T10
ARRAY RECALL LIMITS
Symbol
t_RCC
t_RCP
t_RCZ
Parameter
Recall Cycle Time
Recall Pulse Width⁽⁶⁾
Recall to Output in High Z
Min.
2
500
Max.
500
Units
µs
ns
ns
3832 PGM T11
Recall Timing
RECALL
tRCC
tRCP
tRCZ
DO
HIGH Z
3832 FHD F05
Notes: (5) NOP designates when the X24C44 is not currently executing an instruction.
(6) Recall rise time must be <10µs.
10