REV. C
OUTLINE DIMENSIONS
Dimensions shown in inches and (mm).
AD674B/AD774B
28-Lead Ceramic DIP Package
(D-28)
28
1
0.085
(2.16)
0.050 (12.83)
1.42 (36.07)
1.40 (35.56)
0.05 (1.27)
0.045 (1.14)
15
0.59
+– 0.01
(14.98)
14
30 o
SEATING
PLANE
0.095 (2.41)
0.08 (2.0)
0.125 MIN (3.17)
0.145 +– 0.02
(3.68)
0.017 +– 0.003
(0.43)
0.1 (2.54)
0.047 +– 0.007
(1.19)
0.050
+– 0.010
(1.27)
0(0.0.21504+–+–00.0.0052)
0.6 (15.24)
28-Lead Plastic DIP Package
(N-28)
1.565 (39.70)
1.380 (35.10)
28
1
PIN 1
0.250
(6.35)
MAX
0.200 (5.05) 0.022 (0.558) 0.100
0.125 (3.18)
0.014 (0.356)
(2.54)
BSC
15
0.580 (14.73)
0.485 (12.32)
14
0.060 (1.52)
0.015 (0.38)
0.150
(3.81)
MIN
0.070 SEATING
(1.77) PLANE
MAX
0.625 (15.87)
0.600 (15.24)
0.195 (4.95)
0.125 (3.18)
0.015 (0.381)
0.008 (0.204)
28-Lead Wide Body SOIC Package
(R-28)
28
1
PIN 1
0.7125 (18.10)
0.6969 (17.70)
15
0.2992 (7.60)
0.2914 (7.40)
0.4193 (10.65)
14
0.3937 (10.00)
0.1043 (2.65)
0.0926 (2.35)
0.0291 (0.74)
0.0098 (0.25)؋ 45؇
0.0118 (0.30)
0.0040 (0.10)
0.0500
(1.27)
BSC
8؇
0.0192 (0.49)
0.0138 (0.35)
SEATING
PLANE
0.0125 (0.32)
0.0091 (0.23)
0؇
0.0500 (1.27)
0.0157 (0.40)
–11–