X24C44
EQUIVALENT A.C. LOAD CIRCUIT
5V
A.C. CONDITIONS OF TEST
Input Pulse Levels
Input Rise and
Fall Times
Input and Output
Timing Levels
100pF
0V to 3V
10ns
1.5V
3832 PGM T07.1
919Ω
OUTPUT
497Ω
3832 FHD F11
A.C. CHARACTERISTICS
(Over the recommended operating conditions unless otherwise specified.)
Read and Write Cycle Limits
Symbol
F
SK(3)
t
SKH
t
SKL
t
DS
t
DH
t
PD1
t
PD
t
Z
t
CES
t
CEH
t
CDS
POWER-UP TIMING
Symbol
t
PUR(4)
t
PUW(4)
Parameter
Power-up to Read Operation
Power-up to Write or Store Operation
Max.
200
5
Units
µs
ms
3832 PGM T09
Parameter
SK Frequency
SK Positive Pulse Width
SK Negative Pulse Width
Data Setup Time
Data Hold Time
SK to Data Bit 0 Valid
SK to Data Valid
Chip Enable to Output High Z
Chip Enable Setup
Chip Enable Hold
Chip Deselect
Min.
400
400
400
80
Max.
1
Units
MHz
ns
ns
ns
ns
ns
ns
µs
ns
ns
ns
3832 PGM T08.1
375
375
1
800
350
800
Notes:
(3) SK rise and fall times must be less than 50ns.
(4) t
PUR
and t
PUW
are the delays required from the time V
CC
is stable until the specified operation can be initiated. These parameters
are periodically sampled and not 100% tested.
8
XICOR [ XICOR INC. ]
