MC74AC240 Datasheet, PDF (7/8 Pages) ON Semiconductor – OCTAL BUFFER/LINE DRIVER WITH 3-STATE OUTPUTS

MC74AC240, MC74ACT240
0.15 (0.006) T U S
2X L/2 ²⁰
L
PIN 1
IDENT
1
0.15 (0.006) T U S
C
D
0.100 (0.004)
−T− SEATING
PLANE
20
1
Z
D
e
b
0.13 (0.005) M
PACKAGE DIMENSIONS
TSSOP−20
DT SUFFIX
20 PIN PLASTIC TSSOP PACKAGE
CASE 948E−02
ISSUE B
20X K REF
0.10 (0.004) M T U S V S
11
B
−U−
10
A
−V−
GH
J J1 ÍÍÍÍÍÍKK1ÍÍÍ
SECTION N−N
N
0.25 (0.010)
M
N
F
DETAIL E
DETAIL E
NOTES:
1. DIMENSIONING AND TOLERANCING PER ANSI
Y14.5M, 1982.
2. CONTROLLING DIMENSION: MILLIMETER.
3. DIMENSION A DOES NOT INCLUDE MOLD
FLASH, PROTRUSIONS OR GATE BURRS. MOLD
FLASH OR GATE BURRS SHALL NOT EXCEED
0.15 (0.006) PER SIDE.
4. DIMENSION B DOES NOT INCLUDE
INTERLEAD FLASH OR PROTRUSION.
INTERLEAD FLASH OR PROTRUSION SHALL NOT
EXCEED 0.25 (0.010) PER SIDE.
5. DIMENSION K DOES NOT INCLUDE DAMBAR
PROTRUSION. ALLOWABLE DAMBAR
PROTRUSION SHALL BE 0.08 (0.003) TOTAL IN
EXCESS OF THE K DIMENSION AT MAXIMUM
MATERIAL CONDITION.
6. TERMINAL NUMBERS ARE SHOWN FOR
REFERENCE ONLY.
7. DIMENSION A AND B ARE TO BE
DETERMINED AT DATUM PLANE −W−.
−W−
MILLIMETERS
INCHES
DIM MIN MAX MIN MAX
A 6.40 6.60 0.252 0.260
B 4.30 4.50 0.169 0.177
C −−− 1.20 −−− 0.047
D 0.05 0.15 0.002 0.006
F 0.50 0.75 0.020 0.030
G
0.65 BSC
0.026 BSC
H 0.27 0.37 0.011 0.015
J 0.09 0.20 0.004 0.008
J1 0.09 0.16 0.004 0.006
K 0.19 0.30 0.007 0.012
K1 0.19 0.25 0.007 0.010
L
6.40 BSC
0.252 BSC
M 0_ 8_ 0_ 8_
EIAJ−20
M SUFFIX
20 PIN PLASTIC EIAJ PACKAGE
CASE 967−01
ISSUE O
11
E H_E
10
A
L_E
M_
L
DETAIL P
VIEW P
A₁
0.10 (0.004)
Q₁
c
NOTES:
1. DIMENSIONING AND TOLERANCING PER ANSI
Y14.5M, 1982.
2. CONTROLLING DIMENSION: MILLIMETER.
3. DIMENSIONS D AND E DO NOT INCLUDE
MOLD FLASH OR PROTRUSIONS AND ARE
MEASURED AT THE PARTING LINE. MOLD FLASH
OR PROTRUSIONS SHALL NOT EXCEED 0.15
(0.006) PER SIDE.
4. TERMINAL NUMBERS ARE SHOWN FOR
REFERENCE ONLY.
5. THE LEAD WIDTH DIMENSION (b) DOES NOT
INCLUDE DAMBAR PROTRUSION. ALLOWABLE
DAMBAR PROTRUSION SHALL BE 0.08 (0.003)
TOTAL IN EXCESS OF THE LEAD WIDTH
DIMENSION AT MAXIMUM MATERIAL CONDITION.
DAMBAR CANNOT BE LOCATED ON THE LOWER
RADIUS OR THE FOOT. MINIMUM SPACE
BETWEEN PROTRUSIONS AND ADJACENT LEAD
TO BE 0.46 ( 0.018).
MILLIMETERS
DIM MIN MAX
A
−−− 2.05
A_{1 0.05 0.20}
b 0.35 0.50
c 0.18 0.27
D 12.35 12.80
E 5.10 5.45
e
1.27 BSC
H_E 7.40 8.20
L 0.50 0.85
L_E 1.10 1.50
M
0 _ 10 _{_}
Q₁ 0.70 0.90
Z
−−− 0.81
INCHES
MIN MAX
−−− 0.081
0.002 0.008
0.014 0.020
0.007 0.011
0.486 0.504
0.201 0.215
0.050 BSC
0.291 0.323
0.020 0.033
0.043 0.059
0 _ 10 _{_}
0.028 0.035
−−− 0.032
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