PRELIMINARY
Pin Configurations (continued)
100-Pin TQFP (Top View)
CY7C027/028
CY7C037/038
A9L
A10L
A11L
A12L
A13L
A14L
[Note 7] A15L
LBL
UBL
CE0L
CE1L
SEML
R/WL
OEL
VCC
GND
I/O17L
I/O16L
GND
I/O15L
I/O14L
I/O13L
I/O12L
I/O11L
I/O10L
100 99 98 97 96 95 94 93 92 91 90 89 88 87 86 85 84 83 82 81 80 79 78 77 76
1
75
2
74
3
73
4
72
5
71
6
70
7
69
8
68
9
67
10
66
11
65
12
CY7C038 (64K x 18)
64
13
63
14
CY7C037 (32K x 18)
62
15
61
16
60
17
59
18
58
19
57
20
56
21
55
22
54
23
53
24
52
25
51
26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
A8R
A9R
A10R
A11R
A12R
A13R
A14R
A15R [Note 7]
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
Selection Guide
Maximum Access Time (ns)
Typical Operating Current (mA)
Typical Standby Current for ISB1 (mA) (Both ports TTL level)
Typical Standby Current for ISB3 (mA) (Both ports CMOS level)
Note:
7. This pin is NC for CY7C037.
CY7C027/028
CY7C037/038
-12[1]
12
195
55
0.05
CY7C027/028
CY7C037/038
-15
15
190
50
0.05
CY7C027/028
CY7C037/038
-20
20
180
45
0.05
3