CY14B256L-SP45XI Cypress Semiconductor Corp, CY14B256L-SP45XI Datasheet - Page 16

• Manufacturer Part Number: CY14B256L-SP45XI
• Description: IC NVSRAM 256KBIT 45NS 48SSOP
• Manufacturer: Cypress Semiconductor Corp
• Type: NVSRAMr

Specifications of CY14B256L-SP45XI

• Format - Memory: RAM
• Memory Type: NVSRAM (Non-Volatile SRAM)
• Memory Size: 256K (32K x 8)
• Speed: 45ns
• Interface: Parallel
• Voltage - Supply: 2.7 V ~ 3.6 V
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 48-SSOP
• Word Size: 8b
• Organization: 32Kx8
• Density: 256Kb
• Interface Type: Parallel
• Access Time (max): 45ns
• Operating Supply Voltage (typ): 3.3V
• Package Type: SSOP
• Operating Temperature Classification: Industrial
• Operating Supply Voltage (max): 3.6V
• Operating Supply Voltage (min): 2.7V
• Operating Temp Range: -40C to 85C
• Pin Count: 48
• Mounting: Surface Mount
• Supply Current: 55mA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Truth Table For SRAM Operations
HSB must remain HIGH for SRAM operations.
Ordering Information
Ordering Code Definition
Document Number: 001-54707 Rev. *F
Table 3. Truth Table
H
L
L
L
All the above parts are Pb-free.
CY 14 B 256 L A-ZS 25 X I T
Speed
(ns)
CE
25
45
CY14B256LA-ZS25XIT
CY14B256LA-ZS25XI
CY14B256LA-SP25XIT
CY14B256LA-SP25XI
CY14B256LA-SZ25XIT
CY14B256LA-SZ25XI
CY14B256LA-SP45XIT
CY14B256LA-SP45XI
CY14B256LA-SZ45XIT
CY14B256LA-SZ45XI
Cypress
X
H
H
L
WE
Ordering Code
X
L
H
X
14 – nvSRAM
OE
Voltage:
B – 3.0 V
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
51-85087
51-85087
51-85061
51-85061
51-85127
51-85127
51-85061
51-85061
51-85127
51-85127
Package
Diagram
–DQ
7
);
7
Option:
T - Tape and Reel
Blank – Std.
Package:
ZS - 44-pin TSOP II
SP - 48-pin SSOP
SZ - 32-pin SOIC
256 – 256 Kb
);
Density:
44-pin TSOP II
44-pin TSOP II
48-pin SSOP
48-pin SSOP
32-pin SOIC
32-pin SOIC
48-pin SSOP
48-pin SSOP
32-pin SOIC
32-pin SOIC
Deselect/power-down
Read
Output disabled
Write
Package Type
Temperature:
I - Industrial (–40 to 85 °C)
Data Bus:
L – ×8
Mode
Standby
Active
Active
Active
CY14B256LA
Operating
Industrial
Speed:
25 – 25 ns
45 – 45 ns
Range
Power
Page 16 of 22
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