CY7C028-12AC Cypress Semiconductor Corp, CY7C028-12AC Datasheet - Page 3

• Manufacturer Part Number: CY7C028-12AC
• Manufacturer: Cypress Semiconductor Corp

Specifications of CY7C028-12AC

• Density: 1Mb
• Access Time (max): 12ns
• Sync/async: Asynchronous
• Architecture: Not Required
• Clock Freq (max): Not RequiredMHz
• Operating Supply Voltage (typ): 5V
• Address Bus: 16b
• Package Type: TQFP
• Operating Temp Range: 0C to 70C
• Number Of Ports: 2
• Supply Current: 325mA
• Operating Supply Voltage (min): 4.5V
• Operating Supply Voltage (max): 5.5V
• Operating Temperature Classification: Commercial
• Mounting: Surface Mount
• Pin Count: 100
• Word Size: 16b
• Number Of Words: 64K
• Lead Free Status / Rohs Status: Not Compliant

Pin Configurations
Selection Guide
Document #: 38-06042 Rev. *D
Maximum Access Time
Typical Operating Current
Typical Standby Current for I
Typical Standby Current for I
Note
7. This pin is NC for CY7C037.
[7]
I/O17L
I/O16L
I/O15L
I/O14L
I/O13L
I/O12L
I/O10L
I/O11L
SEML
CE0L
CE1L
R/WL
A10L
A11L
A12L
A13L
A14L
A15L
GND
GND
VCC
UBL
OEL
A9L
LBL
Parameter
(continued)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
SB1
SB3
100
26
(Both ports TTL level)
(Both ports CMOS level)
99
27
98
28
97
29
96
30
95
31
Figure 2. 100-Pin TQFP (Top View)
94
32
CY7C038 (64K x 18)
CY7C037 (32K x 18)
93
33
92 91 90
34 35 36
CY7C027/028
CY7C037/038
89
37
88
38
-12
0.05
195
12
55
87 86
39 40
[1]
85
41
84
42
CY7C027/028
CY7C037/038
83 82 81
43 44 45
0.05
190
-15
15
50
80
46
79
47
78 77
48 49
CY7C027/028
CY7C037/038
76
50
0.05
180
-20
75
74
73
72
71
70
69
68
67
66
65
64
63
62
61
60
59
58
57
56
55
54
53
52
51
20
45
CY7C027/028
CY7C037/038
A8R
A9R
A10R
A11R
A12R
A13R
A14R
A15R
LBR
UBR
CE0R
CE1R
SEMR
R/WR
GND
OER
GND
I/O17R
GND
I/O16R
I/O15R
I/O14R
I/O13R
I/O12R
I/O11R
[7]
Unit
mA
mA
mA
ns
Page 3 of 19
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