CY62256VLL-70SNE CYPRESS [Cypress Semiconductor], CY62256VLL-70SNE Datasheet - Page 2

• Manufacturer Part Number: CY62256VLL-70SNE
• Description: 256K (32K x 8) Static RAM
• Manufacturer: CYPRESS [Cypress Semiconductor]

Document #: 38-05057 Rev. *F
Product Portfolio
Pin Configurations
Pin Definitions
1–10, 21, 23–26
11–13, 15–19
27
20
22
14
28
Note:
CY62256VLL
2. Typical values are included for reference only and are not guaranteed or tested. Typical values are measured at V
Product
GND
Pin Number
I/O 0
I/O 1
I/O 2
A 10
A 11
A 12
A 13
A 14
A 5
A 6
A 7
A 8
A 9
Narrow SOIC
Top View
13
14
1
2
3
4
5
6
7
8
9
10
11
12
Com’l/Ind’l
Automotive
28
27
26
25
24
23
22
21
20
19
18
17
16
15
Range
I/O 3
V CC
WE
A 4
A 3
A 2
A 1
OE
A 0
CE
I/O 7
I/O 6
I/O 5
I/O 4
Input
Input/Output
Input/Control
Input/Control
Input/Control
Ground
Power Supply
Type
V
Min.
A
A
WE
OE
2.7
A
A
A
A
CC
A
A
A
A
A
11
10
9
8
6
5
4
3
2
1
7
V
CC
26
25
24
23
22
7
6
5
4
3
2
1
28
27
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 Tri-stated, and act as
input data pins
GND. Ground for the device
V
Typ.
Range (V)
0
CC
3.0
–A
0
–I/O
. Power supply for the device
Reverse Pinout
(not to scale)
14
[2]
. Address Inputs
Top View
7
TSOP I
. Data lines. Used as input or output lines depending on operation
Max.
3.6
Speed
(ns)
10
11
12
13
14
15
16
17
18
19
20
21
70
8
9
A
A
A
I/O
I/O
I/O
GND
I/O
I/O
I/O
I/O
I/O
CE
A
12
13
14
0
0
1
2
3
4
5
6
7
V
Operating, I
WE
A
A
OE
Typ.
CC
Description
A
A
A
A
A
A
A
A
A
10
11
1
2
3
4
5
6
8
9
7
11
[2]
22
23
24
25
26
27
28
1
2
3
4
5
6
7
Power Dissipation
CC
CC
(not to scale)
Max.
= V
Top View
(mA)
30
TSOP I
CC(typ.)
, T
A
Standby, I
Typ.
= 25°C, and t
0.1
CY62256V
[2]
21
20
19
18
17
16
15
14
13
12
11
10
9
8
Page 2 of 12
SB2
A
CE
I/O
I/O
I/O
I/O
I/O
GND
I/O
I/O
I/O
A
A
A
AA
0
14
13
12
Max.
7
6
5
4
3
2
1
0
= 70 ns.
130
(µA)
5
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