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CAT22C10 View Datasheet(PDF) - ON Semiconductor

Part NameDescriptionManufacturer
CAT22C10 256-Bit Nonvolatile CMOS Static RAM ON-Semiconductor
ON Semiconductor ON-Semiconductor
CAT22C10 Datasheet PDF : 10 Pages
1 2 3 4 5 6 7 8 9 10
CAT22C10
BLOCK DIAGRAM
EEPROM ARRAY
A0
A1
A2
A3
A4
A5
STORE
RECALL
ROW
STATIC RAM
SELECT
ARRAY
COLUMN SELECT
CONTROL
LOGIC
READ/WRITE
CIRCUITS
STORE
RECALL
CS WE I/O0 I/O1 I/O2 I/O3
MODE SELECTION(1)(2)(3)
Mode
CS
Standby
H
RAM Read
L
RAM Write
L
(EEPROMRAM)
X
(EEPROMRAM)
H
(RAMEEPROM)
X
(RAMEEPROM)
H
Input
WE
RECALL
X
H
H
H
L
H
H
L
X
L
H
H
X
H
STORE
H
H
H
H
H
L
L
I/O
Output High-Z
Output Data
Input Data
Output High-Z RECALL
Output High-Z RECALL
Output High-Z STORE
Output High-Z STORE
POWER-UP TIMING(4)
Symbol
VCCSR
Parameter
VCC Slew Rate
Min.
0.5
Max.
0.005
Note:
(1) RECALL signal has priority over STORE signal when both are applied at the same time.
(2) STORE is inhibited when RECALL is active.
(3) The store operation is inhibited when VCC is below 3.0V.
(4) This parameter is tested initially and after a design or process change that affects the parameter.
Units
V/ms
Doc. No. MD-1082, Rev. R
© 2009 SCILLC. All rights reserved.
2
Characteristics subject to change without notice.
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