CY7C144-55AXC Cypress Semiconductor Corp, CY7C144-55AXC Datasheet - Page 3

• Manufacturer Part Number: CY7C144-55AXC
• Description: IC SRAM 64KBIT 55NS 64LQFP
• Manufacturer: Cypress Semiconductor Corp
• Type: Asynchronousr

Specifications of CY7C144-55AXC

• Memory Size: 64K (8K x 8)
• Package / Case: 64-LQFP
• Format - Memory: RAM
• Memory Type: SRAM - Dual Port, Asynchronous
• Speed: 55ns
• Interface: Parallel
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: 0°C ~ 70°C
• Access Time: 55 ns
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 4.5 V
• Maximum Operating Current: 160 mA
• Maximum Operating Temperature: + 70 C
• Minimum Operating Temperature: 0 C
• Mounting Style: SMD/SMT
• Number Of Ports: 2
• Operating Supply Voltage: 5 V
• 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: 428-2154; CY7C144-55AXC

Pin Configuration
Document #: 38-06034 Rev. *H
IO
IO
IO
IO
IO
IO
IO
IO
IO
IO
IO
GND
IO
IO
GND
V
V
CC
CC
0R
1R
2R
3R
4R
5R
6R
2L
3L
4L
5L
6L
7L
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
2728 29 30
9 8 7 6
Figure 1. 68-Pin PLCC (Top View)
3132 33 34 35 36 37 38 39 40 41 42 43
5 4 3 2 1 68
CY7C144
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
GND
GND
V
V
NC
NC
NC
CC
CC
0R
1R
2R
3R
4R
5R
6R
2L
3L
4L
5L
6L
7L
67
66 65 64 63 62 61
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
Figure 3. 80-Pin TQFP (Top View)
60
59
58
57
56
55
54
53
52
51
50
49
48
47
46
45
44
A
A
A
A
A
A
INT
BUSY
GND
M/S
BUSY
INT
A
A
A
A
A
5L
4L
3L
2L
1L
0L
0R
1R
2R
3R
4R
L
R
L
R
CY7C145
IO
IO
IO
IO
IO
IO
IO
IO
IO
IO
IO
GND
IO
GND
V
V
CC
CC
0R
1R
2R
3R
4R
5R
2L
3L
4L
5L
6L
7L
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
Figure 2. 64-Pin TQFP (Top View)
60
59
58
57
56
55
54
53
52
51
50
49
48
47
46
45
44
43
42
41
CY7C144
A
A
A
A
A
A
INT
BUSY
GND
M/S
A
A
A
A
A
NC
BUSY
INT
NC
NC
5L
4L
3L
2L
1L
0L
0R
1R
2R
3R
4R
L
R
L
R
CY7C144 CY7C145
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
Page 3 of 23
A
A
A
A
A
INT
BUSY
GND
M/S
BUSY
INT
A
A
A
A
A
4L
3L
2L
1L
0L
0R
1R
2R
3R
4R
L
R
L
R
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