CY62256NLL-55SNXI Cypress Semiconductor Corp, CY62256NLL-55SNXI Datasheet - Page 3

• Manufacturer Part Number: CY62256NLL-55SNXI
• Description: IC SRAM 256KBIT 55NS 28SOIC
• Manufacturer: Cypress Semiconductor Corp
• Type: Asynchronousr

Specifications of CY62256NLL-55SNXI

• Memory Size: 256K (32K x 8)
• Package / Case: 28-SOIC (7.5mm Width)
• Format - Memory: RAM
• Memory Type: SRAM
• Speed: 55ns
• Interface: Parallel
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Access Time: 55 ns
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 4.5 V
• Maximum Operating Current: 50 mA
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Mounting Style: SMD/SMT
• Number Of Ports: 1
• Operating Supply Voltage: 5 V
• Memory Configuration: 32K X 8
• Supply Voltage Range: 4.5V To 5.5V
• Memory Case Style: NSOIC
• No. Of Pins: 28
• Operating Temperature Range: -40°C To +85°C
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant
• Other names: 428-2083-5; CY62256NLL-55SNXI

Product Portfolio
Pin Configurations
Document Number: 001-06511 Rev. *D
Table 1. Pin Definitions
CY62256NLL
CY62256NLL
CY62256NLL
CY62256NLL
1–10, 21, 23–26
11–13, 15–19,
27
20
22
14
28
Note
2. Typical specifications are the mean values measured over a large sample size across normal production process variations and are taken at nominal conditions
(T
A
= 25 °C, V
Pin Number
Figure 1. 28-pin DIP and Narrow SOIC
Product
CC
). Parameters are guaranteed by design and characterization, and not 100% tested.
Commercial
Industrial
Automotive-A
Automotive-E
Input
Input/Output
Input/Control
Input/Control
Input/Control
Ground
Power Supply V
Type
Min
4.5
A
I/O
WE. When selected LOW, a WRITE is conducted. When selected HIGH, a READ is
conducted
CE. When LOW, selects the chip. When HIGH, deselects the chip
OE. Output Enable. Controls the direction of the I/O pins. When LOW, the I/O pins
behave as outputs. When deasserted HIGH, I/O pins are tristated, and act as input
data pins
GND. Ground for the device
0
CC
V
–A
0
CC
–I/O
. Power supply for the device
Typ
14
Range (V)
5.0
. Address Inputs
7
[2]
. Data lines. Used as input or output lines depending on operation
Max
5.5
Figure 2. 28-pin TSOP I and Reverse TSOP I
Speed
55/70
55/70
(ns)
70
55
Description
Typ
Operating, I
25
25
25
25
[2]
(mA)
Power Dissipation
Max
50
50
50
50
CC
Standby, I
Typ
CY62256N
0.1
0.1
0.1
0.1
[2]
Page 3 of 14
SB2
Max
10
10
15
5
(A)
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