cy62256vn Cypress Semiconductor Corporation., cy62256vn Datasheet - Page 2

• Manufacturer Part Number: cy62256vn
• Description: 256k 32k X 8 Static Ram
• Manufacturer: Cypress Semiconductor Corporation.

Document #: 001-06512 Rev. *A
Product Portfolio
Pin Configurations
Pin Definitions
1–10, 21, 23–26 Input
11–13, 15–19
27
20
22
14
28
Note:
CY62256VNLL
CY62256VNLL
CY62256VNLL
CY62256VNLL
2. Typical values are included for reference only and are not guaranteed or tested. Typical values are measured at V
Pin Number
GND
I/O 0
I/O 1
I/O 2
A 10
A 11
A 12
A 13
A 14
Product
A 5
A 6
A 7
A 8
A 9
Narrow SOIC
13
14
1
2
3
4
5
6
7
8
9
10
11
12
Top View
Input/Output
Input/Control
Input/Control
Input/Control
Ground
Power Supply V
28
27
26
25
24
23
22
21
20
19
18
17
16
15
Com’l
Automotive-A
Automotive-E
Type
Ind’l
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
Range
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
CC
V
0
WE
A
A
OE
–A
A
A
A
A
CC
A
A
A
A
A
0
10
11
1
2
3
4
5
6
7
8
9
–I/O
. Power supply for the device
14
. Address Inputs
22
23
24
25
26
7
Min.
27
28
1
2
3
4
5
6
7
2.7
2.7
2.7
2.7
. Data lines. Used as input or output lines depending on operation
V
CC
(not to scale)
Top View
Typ.
Range (V)
TSOP I
3.0
3.0
3.0
3.0
[2]
Max.
3.6
3.6
3.6
3.6
21
20
19
18
17
16
15
14
13
12
11
10
9
8
A
CE
I/O
I/O
I/O
I/O
I/O
GND
I/O
I/O
I/O
A
A
A
0
14
13
12
Description
7
6
5
4
3
2
1
0
Operating, I
Typ.
11
11
11
11
[2]
V
A
A
WE
OE
CC
A
A
A
A
A
A
A
A
A
11
10
9
8
6
5
4
3
2
1
7
CC
26
25
24
23
22
7
6
5
4
3
2
1
28
27
Power Dissipation
Max.
(mA)
CC
30
30
30
30
= V
Reverse Pinout
(not to scale)
CC
Top View
Typ., T
TSOP I
Typ.
Standby, I
A
CY62256VN
0.1
0.1
0.1
0.1
= 25°C, and t
[2]
Page 2 of 12
SB2
10
11
12
13
14
15
16
17
18
19
20
21
8
9
AA
Max.
130
(µA)
= 70 ns.
10
10
A
A
A
I/O
I/O
I/O
GND
I/O
I/O
I/O
I/O
I/O
CE
A
5
12
13
14
0
0
1
2
3
4
5
6
7
[+] Feedback