CY14B256LA-ZS25XI Cypress Semiconductor Corp, CY14B256LA-ZS25XI Datasheet - Page 3

• Manufacturer Part Number: CY14B256LA-ZS25XI
• Description: CY14B256LA-ZS25XI
• Manufacturer: Cypress Semiconductor Corp

Specifications of CY14B256LA-ZS25XI

• Format - Memory: RAM
• Memory Type: NVSRAM (Non-Volatile SRAM)
• Memory Size: 256K (32K x 8)
• Speed: 25ns
• Interface: Parallel
• Voltage - Supply: 2.7 V ~ 3.6 V
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 44-TSOP (0.400", 10.16mm Width)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Pinouts
Document Number: 001-54707 Rev. *F
Notes
1. Address expansion for 1 Mbit. NC pin not connected to die.
2. Address expansion for 2 Mbit. NC pin not connected to die.
3. Address expansion for 4 Mbit. NC pin not connected to die.
4. Address expansion for 8 Mbit. NC pin not connected to die.
5. Address expansion for 16 Mbit. NC pin not connected to die.
NC
DQ
DQ
DQ
DQ
V
NC
NC
V
WE
NC
CE
A
A
A
CC
SS
A
A
A
A
A
A
A
[5]
8
9
7
5
6
0
1
0
1
2
3
2
3
4
10
13
14
16
17
18
19
1
2
3
4
5
6
7
8
9
11
12
15
20
21
22
( not to scale )
44 - TSOP II
Top View
(x8)
Figure 1. Pin Diagram - 44-Pin TSOP II/48 Pin SSOP
44
43
42
39
38
37
36
35
33
29
28
25
24
23
41
40
34
32
31
30
27
26
Figure 2. Pin Diagram - 32-Pin SOIC
V
DQ
DQ
DQ
HSB
OE
NC
DQ
DQ
V
A
CAP
V
NC
NC
NC
NC
V
DQ
DQ
V
A
A
A
A
NC
A
NC
NC
A
NC
SS
14
A
A
A
A
A
A
SS
CC
11
A
A
CAP
13
12
10
14
12
7
2
0
1
2
6
5
4
3
1
0
[4]
[3]
[2]
7
6
4
5
[1]
[1]
10
11
12
13
14
16
1
2
3
4
5
6
7
8
9
15
( not to scale )
Top View
32 - SOIC
(x8)
V
DQ0
DQ2
V
DQ1
CAP
NC
NC
NC
NC
NC
NC
A
NC
A
NC
NC
SS
A
A
A
A
A
A
A
A
14
12
7
6
5
4
3
2
0
26
1
32
31
30
27
25
24
23
21
20
19
18
17
29
28
22
10
13
14
16
17
18
19
1
2
3
5
6
7
8
9
11
12
15
20
4
21
22
24
23
V
OE
HSB
WE
A
A
NC
A
A
DQ
DQ
DQ
DQ
DQ
A
CE
CC
9
11
13
8
10
( not to scale )
5
7
6
4
3
48 - SSOP
Top View
(x8)
44
42
39
38
37
36
35
33
28
48
47
46
45
43
41
40
34
32
31
30
29
27
26
25
NC
CE
DQ7
DQ5
DQ4
V
NC
HSB
WE
A
A
A
NC
NC
NC
A
DQ3
V
NC
V
NC
DQ6
OE
A
CC
CC
13
8
9
SS
10
11
CY14B256LA
Page 3 of 22
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