74HC191 查看數據表（PDF） - NXP Semiconductors.
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74HC191 Datasheet PDF : 19 Pages
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Nexperia
74HC191
Presettable synchronous 4-bit binary up/down counter
TSSOP16: plastic thin shrink small outline package; 16 leads; body width 4.4 mm
SOT403-1
D
c
y
Z
16
9
E
A
X
HE
vM A
pin 1 index
1
e
8
wM
bp
A2
A1
Q
(A 3 )
A
θ
Lp
L
detail X
0
2.5
5 mm
scale
DIMENSIONS (mm are the original dimensions)
UNIT
A
max.
A1
A2
A3
bp
c
D (1) E (2)
e
HE
L
Lp
Q
v
w
y
Z (1)
θ
mm
1.1
0.15
0.05
0.95
0.80
0.25
0.30
0.19
0.2
0.1
5.1
4.9
4.5
4.3
0.65
6.6
6.2
1
0.75 0.4
0.50 0.3
0.2 0.13
0.1
0.40
0.06
8o
0o
Notes
1. Plastic or metal protrusions of 0.15 mm maximum per side are not included.
2. Plastic interlead protrusions of 0.25 mm maximum per side are not included.
OUTLINE
VERSION
IEC
SOT403-1
REFERENCES
JEDEC
JEITA
MO-153
EUROPEAN
PROJECTION
ISSUE DATE
99-12-27
03-02-18
Fig. 20. Package outline SOT403-1 (TSSOP16)
74HC191
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 4 — 5 October 2018
© Nexperia B.V. 2018. All rights reserved
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