CAT24C44VI ON Semiconductor, CAT24C44VI Datasheet - Page 4

• Manufacturer Part Number: CAT24C44VI
• Description: IC NVSRAM 256BIT 1MHZ 8SOIC
• Manufacturer: ON Semiconductor

Specifications of CAT24C44VI

• Format - Memory: RAM
• Memory Type: NVSRAM (Non-Volatile SRAM)
• Memory Size: 256 (16 x 16)
• Speed: 1MHz
• Interface: 3-Wire Serial
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 8-SOIC (3.9mm Width)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 24C44VI

A.C. CHARACTERISTICS, Recall Cycle
V
A.C. CHARACTERISTICS
V
A.C. CHARACTERISTICS, Store Cycle
V
INSTRUCTION SET
Doc. No. MD-1083, Rev. T
CAT24C44
CC
CC
CC
X = Don’t care
A = Address bit
Symbol
Symbol
Symbol
Instruction
t
t
t
t
t
F
t
t
t
t
t
t
t
t
t
t
t
t
RCC
ORC
SKH
SKL
DS
DH
PD
Z
CES
CEH
CDS
RCP
RCZ
ARC
ST
STP
STZ
= 5V 10%, unless otherwise specified.
= 5V 10%, unless otherwise specified.
= 5V 10%, unless otherwise specified.
WRDS
STO
WRITE
WREN
RCL
READ
SK
Recall Cycle Time
Recall Pulse Width
Recall Disable Time
Recall Enable Time
Recall Data Access Time
SK Frequency
SK Positive Pulse Width
SK Negative Pulse Width
Data Setup Time
Data Hold Time
SK Data Valid Time
CE Disable Time
CE Enable Setup Time
CE Enable Hold Time
CE De-Select Time
Store Time
Store Pulse Width
Store Disable Time
Start Bit
Parameter
Parameter
Parameter
1
1
1
1
1
1
Address
Format
XXXX
XXXX
AAAA
XXXX
XXXX
AAAA
OP Code
1 1 X
0 0 0
0 0 1
0 1 1
1 0 0
1 0 1
Min.
Min.
Min.
200
500
2.5
400
400
400
800
400
800
10
DC
80
Limits
4
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
Max.
Max.
500
100
1.5
Max.
10
375
1
1
Units
Units
Units
ms
MHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
s
s
s
Operation
C
V
V
Input rise and fall times = 10ns
OH
IH
L
C
V
V
C
V
V
= 100pF + 1TTL gate
Characteristics subject to change without notice
= 2.2V, V
OH
IH
OH
IH
L
= 2.2V, V
L
= 100pF + 1TTL gate
= 100pF + 1TTL gate
= 2.2V, V
= 2.2V, V
= 2.2V, V
= 2.2V, V
Conditions
Conditions
Conditions
© 2008 SCILLC. All rights reserved.
IL
OL
= 0.65V
IL
IL
= 0.65V
OL
OL
= 0.65V
= 0.65V
= 0.65V
= 0.65V