x24c44 Intersil Corporation, x24c44 Datasheet - Page 8

• Manufacturer Part Number: x24c44
• Description: Serial Nonvolatile Static Ram
• Manufacturer: Intersil Corporation

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