CY14E256LA-ZS25XI CYPRESS [Cypress Semiconductor], CY14E256LA-ZS25XI Datasheet - Page 15

• Manufacturer Part Number: CY14E256LA-ZS25XI
• Description: 256 Kbit (32K x 8) nvSRAM
• Manufacturer: CYPRESS [Cypress Semiconductor]

Truth Table For SRAM Operations
HSB must remain HIGH for SRAM operations.
Part Numbering Nomenclature
Document Number: 001-54952 Rev. *B
Table 3. Truth Table
CY 14 E 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:
E - 5.0V
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
SZ - 32 SOIC
7
);
Deselect/Power Down
Read
Output Disabled
Write
Temperature:
I - Industrial (-40 to 85
Data Bus:
L - x8
Mode
o
256 - 256 Kb
Density:
C)
Standby
Active
Active
Active
CY14E256LA
Speed:
25 - 25 ns
45 - 45 ns
Power
Page 15
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