Pin Numbers & Functions
68 Pins — Dual-Cavity CQFP
Pin #
1
Function
GND
SWE3
A5
Pin #
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
Function
GND
I/O8
Pin #
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
Function
OE
Pin #
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
Function
GND
FI/O23
FI/O22
FI/O21
FI/O20
FI/O19
FI/O18
FI/O17
FI/O16
VCC
2
SWE2
A17
3
I/O9
4
A4
I/O10
I/O11
I/O12
I/O13
I/O14
I/O15
Vcc
FWE2
FWE3
FWE4
A18
5
A3
6
A2
7
A1
8
A0
SCE
9
NC
SWE1
FI/O31
FI/O30
FI/O29
FI/O28
FI/O27
FI/O26
FI/O25
FI/O24
10
11
12
13
14
15
16
17
I/O0
I/O1
I/O2
I/O3
I/O4
I/O5
I/O6
I/O7
A11
A10
A12
A9
A13
A8
A14
A7
A15
A6
A16
FWE1
SWE4
FCE
Package Outline — Dual-Cavity CQFP "F2"
Top View
.990 SQ
±.010
.890 SQ
MAX
Pin 9
Pin 61
*.200 MAX
.010 REF
Pin 10
Pin 60
.015
±.002
.010 ±.002
.010 R
REF
+3°/-3°
.010 ±.005
.040
±.005
.050
TYP
Detail “A”
Pin 26
Pin 27
Pin 44
Pin 43
See Detail “A”
.800 REF
*.180 MAX available, call factory for details
All dimensions in inches
10
Aeroflex Circuit Technology
SCD3851 REV A 5/21/98 Plainview NY (516) 694-6700