SyncMOS Technologies International, Inc.
SM8951A/8952A
8-Bits Micro-controller
With 4/8KB flash embedded
PDIP 40L (600mil) Package Information：
Dimension in mm
Dimension in MIL
Symbol
Min
Nom
－
Max
－
Min
10
Nom
－
Max
－
0.254
3.683
0.356
0.356
1.016
1.016
0.203
0.203
52.07
14.99
13.69
－
A1
A2
b
b1
b2
b3
c
c1
D
E
3.810
0.500
0.457
1.270
1.321
0.254
0.254
52.2
3.937
0.660
0.508
1.524
1.626
0.432
0.356
52.32
15.49
13.94
－
145
14
150
20
155
26
14
18
22
40
50
60
40
52
64
8
10
17
8
10
14
2050
590
539
－
2055
600
546
100
640
2060
610
549
－
15.24
13.87
2.540
16.26
Note:
E1
e
1. Refer to JEDEC STD.MS-011(AC).
2. Dimension D and E1 do not include
mold protrusion. Allowable protrusion is
0.25 mm per side. D and E1 are
maximum plastic body size dimension
include mold mismatch.
15.75
2.921
1.727
1.651
0°
16.76
3.683
2.235
1.905
10°
620
115
68
660
145
88
eB
L
S
Q1
θ
3.302
1.981
1.778
－
130
78
70
－
3. Dimension b3 does not include dambar
protrusion. Allowable dambar protrusion
shall not cause the lead width to exceed
the maximum b3 dimension by more than
0.2mm.
65
75
0°
10°
Specifications subject to change without notice contact your sales representatives for the most recent information.
Ver 2.1 SM8951A/8952A 08/2006
13
SYNCMOS [ SYNCMOS TECHNOLOGIES,INC ]
