PIC16C774 Microchip Technology Inc., PIC16C774 Datasheet - Page 179

• Manufacturer Part Number: PIC16C774
• Description: 28/40-pin, 8-bit Cmos Microcontrollers W/ 12-bit A/d
• Manufacturer: Microchip Technology Inc.

17.4
1999 Microchip Technology Inc.
K04-052 28-Lead Plastic Small Outline (SO) – Wide, 300 mil
Units
Dimension Limits
Pitch
Number of Pins
Overall Pack. Height
Shoulder Height
Standoff
Molded Package Length
Molded Package Width
Outside Dimension
Chamfer Distance
Shoulder Radius
Gull Wing Radius
Foot Length
Foot Angle
Radius Centerline
Lead Thickness
Lower Lead Width
Mold Draft Angle Top
Mold Draft Angle Bottom
*
†
‡
B
c
Controlling Parameter.
Dimension “B” does not include dam-bar protrusions. Dam-bar protrusions shall not exceed 0.003”
Dimensions “D” and “E” do not include mold flash or protrusions. Mold flash or protrusions shall not
(0.076 mm) per side or 0.006” (0.152 mm) more than dimension “B.”
exceed 0.010” (0.254 mm) per side or 0.020” (0.508 mm) more than dimensions “D” or “E.”
p
n
45 °
E1
E
R1
X
p
n
A
A1
A2
D
E
E1
X
R1
R2
L
L1
c
B
‡
†
‡
2
1
Advance Information
L1
D
L
MIN
R2
0.093
0.048
0.004
0.700
0.292
0.394
0.010
0.005
0.005
0.011
0.010
0.009
0.014
0
0
0
INCHES*
A2
NOM
A
0.050
0.099
0.058
0.008
0.706
0.296
0.407
0.020
0.005
0.005
0.016
0.015
0.011
0.017
28
12
12
4
MAX
0.104
0.068
0.011
0.712
0.299
0.419
0.029
0.010
0.010
0.021
0.020
0.012
0.019
15
15
8
MIN
17.78
10.01
2.36
1.22
0.10
7.42
0.25
0.13
0.13
0.28
0.25
0.23
0.36
MILLIMETERS
0
0
0
PIC16C77X
NOM
17.93
10.33
1.27
2.50
1.47
0.19
7.51
0.50
0.13
0.13
0.41
0.38
0.27
0.42
28
12
12
4
DS30275A-page 179
MAX
18.08
10.64
A1
2.64
1.73
0.28
7.59
0.74
0.25
0.25
0.53
0.51
0.30
0.48
15
15
8