CY14B256LA-ZS45XI CYPRESS [Cypress Semiconductor], CY14B256LA-ZS45XI Datasheet - Page 16
CY14B256LA-ZS45XI
Manufacturer Part Number
CY14B256LA-ZS45XI
Description
256 Kbit (32K x 8) nvSRAM
Manufacturer
CYPRESS [Cypress Semiconductor]
Datasheet
1.CY14B256LA-ZS45XI.pdf
(21 pages)
- Current page: 16 of 21
- Download datasheet (649Kb)
Truth Table For SRAM Operations
HSB must remain HIGH for SRAM operations.
Part Numbering Nomenclature
Document Number: 001-54707 Rev. *B
Table 3. Truth Table
CY 14 B 256 L A-ZS 25 X I T
CE
H
L
L
L
Cypress
WE
H
H
X
L
14 - nvSRAM
OE
H
X
X
L
Voltage:
B - 3.0V
Die revision:
Blank - No Rev
A - 1
High-Z
Data Out (DQ
High-Z
Data in (DQ
Pb-Free
st
Rev
Inputs/Outputs
0
–DQ
0
–DQ
7
);
Option:
T - Tape & Reel
Blank - Std.
Package:
ZS - 44 TSOP II
SP - 48 SSOP
SZ - 32 SOIC
7
256 - 256 Kb
Density:
);
Deselect/Power down
Read
Output Disabled
Write
Temperature:
I - Industrial (-40 to 85
Data Bus:
L - x8
Mode
o
C)
Standby
Active
Active
Active
CY14B256LA
Speed:
25 - 25 ns
45 - 45 ns
Power
Page 16
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