X24C45 Datasheet, PDF (10/12 Pages) Xicor Inc. – Serial AUTOSTORE™ NOVRAM

X24C45
NONVOLATILE OPERATIONS
Operation
Hardware recall
Software recall
Software store
RECALL
0
1
1
Software Instruction
NOP⁽⁵⁾
RCL
STO
Write Enable Latch State
X
X
SET
Previous Recall
Latch State
X
X
SET
ARRAY RECALL LIMITS
Symbol
t_RCC
t_RCP
t_RCZ
Parameter
Recall cycle time
Recall pulse width⁽⁶⁾
Recall to output in high Z
Recall Timing
RECALL
t_RCP
t_RCC
Min.
2
500
Max.
500
Unit
µs
ns
ns
t_RCZ
DO
High Z
SOFTWARE STORE CYCLE LIMITS
Symbol
t_ST
Parameter
Store time after clock 8 of STO command
Notes: (5) NOP designates when the X24C45 is not currently executing an instruction.
(6) RECALL rise time must be <10µs.
(7) Typical values are for T_A = 25°C and nominal supply voltage.
Min.
Typ.⁽⁷⁾
2
Max.
5
Unit
ms
10
FN8104.0
June 1, 2005