CY62256LL-70PXC Cypress Semiconductor Corp, CY62256LL-70PXC Datasheet - Page 9

• Manufacturer Part Number: CY62256LL-70PXC
• Description: IC SRAM 256KBIT 70NS 28DIP
• Manufacturer: Cypress Semiconductor Corp

Specifications of CY62256LL-70PXC

• Format - Memory: RAM
• Memory Type: SRAM
• Memory Size: 256K (32K x 8)
• Speed: 70ns
• Interface: Parallel
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 28-DIP (0.600", 15.24mm)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 428-1748-5; CY62256LL-70PXC

Document #: 38-05248 Rev. *E
Typical DC and AC Characteristics
Truth Table
CE
3.0
2.5
2.0
1.5
1.0
0.5
H
0.0
L
L
L
0.0
TYPICAL POWER-ON CURRENT
vs. SUPPLY VOLTAGE
WE
1.0
SUPPLY VOLTAGE (V)
X
H
H
L
2.0
OE
X
X
H
L
3.0
High-Z
Data Out
Data In
High-Z
4.0
Inputs/Outputs
5.0
30.0
25.0
20.0
15.0
10.0
0.0
5.0
(continued)
0
TYPICAL ACCESS TIME CHANGE
vs. OUTPUT LOADING
200
CAPACITANCE (pF)
Deselect/Power-down
Read
Write
Output Disabled
400
V
T
A
CC
600
= 25°C
= 4.5V
800
Mode
1000
1.25
1.00
0.75
0.50
10
NORMALIZED I
CYCLE FREQUENCY (MHz)
V
T
V
A
CC
IN
= 2 5°C
= 0.5V
20
=5.0V
Standby (I
Active (I
Active (I
Active (I
CC
vs. CYCLE TIME
CC
CC
CC
Power
30
SB
CY62256
)
)
)
)
Page 9 of 13
40