ST72321B STMICROELECTRONICS [STMicroelectronics], ST72321B Datasheet - Page 171

• Manufacturer Part Number: ST72321B
• Description: 64/44-pin 8-bit MCU with 32 to 60K Flash/ROM, ADC, five timers, SPI, SCI, I2C interface
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

PACKAGE MECHANICAL DATA (Cont’d)
Figure 100. 44-Pin Low Profile Quad Flat Package
Figure 101. 32-Pin Low Profile Quad Flat Package
-
D1
D
D1
D
E1
E
E1
E
L1
e
b
L1
A1
L
A1
L
b
e
A2
A
h
A2
c
A
h
c
Note 1. Values in inches are converted from
mm and rounded to 3 decimal digits.
Note 1. Values in inches are converted from
mm and rounded to 3 decimal digits.
Dim.
Dim.
A1
A2
D1
E1
A1
A2
D1
E1
L1
L1
A
C
D
N
A
C
D
N
b
E
e
L
b
E
e
L
θ
θ
0.05
1.35 1.40 1.45 0.053 0.055 0.057
0.30 0.37 0.45 0.012 0.015 0.018
0.09
0.45 0.60 0.75 0.018 0.024 0.030
0.05
1.35 1.40 1.45 0.053 0.055 0.057
0.30 0.37 0.45 0.012 0.015 0.018
0.09
0.45 0.60 0.75 0.018 0.024 0.030
Min
Min
0°
0°
12.00
10.00
12.00
10.00
0.80
1.00
9.00
7.00
9.00
7.00
0.80
1.00
mm
Typ
3.5°
mm
Typ
3.5°
Number of Pins
Number of Pins
Max
1.60
0.15 0.002
0.20 0.004 0.000 0.008
Max
1.60
0.15 0.002
0.20 0.004
7°
7°
44
32
Min
Min
0°
0°
inches
inches
0.472
0.394
0.472
0.394
0.031
0.039
0.354
0.276
0.354
0.276
0.031
0.039
Typ
3.5°
Typ
3.5°
171/187
1)
1)
0.063
0.006
0.063
0.006
0.008
Max
Max
7°
7°