HD74HC540 Datasheet, PDF (7/9 Pages) Hitachi Semiconductor – Octal Buffers/Line Drivers (with 3-state outputs)

HD74HC540, HD74HC541
Package Dimensions
JEITA Package Code
P-DIP20-6.3x24.5-2.54
RENESAS Code
PRDP0020AC-B
Previous Code
DP-20NEV
MASS[Typ.]
1.26g
D
20
11
1
0.89
Z
10
b3
e
bp
JEITA Package Code
P-SOP20-5.5x12.6-1.27
RENESAS Code
PRSP0020DD-B
Previous Code
FP-20DAV
MASS[Typ.]
0.31g
*1 _D
20
11
Index mark
1
Z
e
*3 _bp
10
xM
y
Rev.2.00 Mar 30, 2006 page 7 of 8
θ
c
e1
( Ni/Pd/Au plating )
Reference ^{Dimension in Millimeters}
Symbol _{Min Nom Max}
e1
7.62
D
24.50 25.40
E
6.30 7.00
A
5.08
A1 0.51
bp 0.40 0.48 0.56
b3
1.30
c 0.19 0.25 0.31
θ 0°
15°
e 2.29 2.54 2.79
Z
1.27
L 2.54
F
bp
NOTE)
1. DIMENSIONS"*1 (Nom)"AND"*2"
DO NOT INCLUDE MOLD FLASH.
2. DIMENSION"*3"DOES NOT
INCLUDE TRIM OFFSET.
Terminal cross section
( Ni/Pd/Au plating )
L1
θ
L
Detail F
Reference ^{Dimension in Millimeters}
Symbol _{Min Nom Max}
D
12.60 13.0
E
5.50
A2
A1 0.00 0.10 0.20
A
2.20
bp 0.34 0.40 0.46
b1
c 0.15 0.20 0.25
c1
θ 0°
8°
HE 7.50 7.80 8.00
e
1.27
x
0.12
y
0.15
Z
0.80
L 0.50 0.70 0.90
L1
1.15