X24C44 Datasheet, PDF (11/15 Pages) Xicor Inc. – Serial Nonvolatile Static RAM

X24C44
STORE CYCLE LIMITS
Symbol
t_ST
t_STP
t_Z
V_CC
Parameter
Store Time
Store Pulse Width
CE to Output in High Z
Store Inhibit
Store Timing
Min.
200
Typ.⁽⁷⁾
2
3
Max.
5
1
Units
ms
ns
µs
V
3832 PGM T12
CE
STORE
DO
tST
tSTP
tZ
HIGH Z
3832 FHD F06
Note: (7) Typical values are for T_A = 25°C and nominal supply voltage.
SYMBOL TABLE
WAVEFORM INPUTS
OUTPUTS
Must be
steady
May change
from LOW
to HIGH
May change
from HIGH
to LOW
Don’t Care:
Changes
Allowed
N/A
Will be
steady
Will change
from LOW
to HIGH
Will change
from HIGH
to LOW
Changing:
State Not
Known
Center Line
is High
Impedance
11