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CAT24C44 View Datasheet(PDF) - Catalyst Semiconductor => Onsemi

Part Name
Description
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CAT24C44
Catalyst
Catalyst Semiconductor => Onsemi Catalyst
CAT24C44 Datasheet PDF : 9 Pages
1 2 3 4 5 6 7 8 9
CAT24C44
A.C. CHARACTERISTICS
VCC = 5V ±10%, unless otherwise specified.
Symbol
Parameter
FSK
SK Frequency
tSKH
SK Positive Pulse Width
tSKL
SK Negative Pulse Width
tDS
Data Setup Time
tDH
Data Hold Time
tPD
SK Data Valid Time
tZ
CE Disable Time
tCES
CE Enable Setup Time
tCEH
CE Enable Hold Time
tCDS
CE De-Select Time
A.C. CHARACTERISTICS, Store Cycle
VCC = 5V ±10%, unless otherwise specified.
Symbol
tST
tSTP
tSTZ
Parameter
Store Time
Store Pulse Width
Store Disable Time
Min.
DC
400
400
400
80
800
400
800
Max.
1
375
1
Limits
Min.
Max.
10
200
100
Units
MHz
ns
ns
ns
ns
ns
µs
ns
ns
ns
Conditions
CL = 100pF + 1TTL gate
VOH = 2.2V, VOL = 0.65V
VIH = 2.2V, VIL = 0.65V
Input rise and fall times = 10ns
Units
ms
ns
ns
Conditions
CL = 100pF + 1TTL gate
VOH = 2.2V, VOL = 0.65V
VIH = 2.2V, VIL = 0.65V
A.C. CHARACTERISTICS, Recall Cycle
VCC = 5V ±10%, unless otherwise specified.
Symbol
Parameter
tRCC
Recall Cycle Time
tRCP
Recall Pulse Width
tRCZ
Recall Disable Time
tORC
Recall Enable Time
tARC
Recall Data Access Time
Min.
2.5
500
10
Max.
500
1.5
Units
µs
ns
ns
ns
µs
Conditions
CL = 100pF + 1TTL gate
VOH = 2.2V, VOL = 0.65V
VIH = 2.2V, VIL = 0.65V
INSTRUCTION SET
Instruction
WRDS
Start Bit
1
Format
Address
XXXX
STO
1
XXXX
WRITE
1
AAAA
WREN
1
XXXX
RCL
1
XXXX
READ
1
AAAA
X = Dont care
A = Address bit
OP Code
000
001
011
100
101
11X
Operation
Reset Write Enable Latch (Disables, Writes and Stores)
Store RAM Data in EEPROM
Write Data into RAM Address AAAA
Set Write Enable Latch (Enables, Writes and Stores)
Recall EEPROM Data into RAM
Read Data From RAM Address AAAA
Doc. No. 1083, Rev. R
4
© 2005 by Catalyst Semiconductor, Inc.
Characteristics subject to change without notice
 

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