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PDF 74HCT257PW Data sheet ( Hoja de datos )
| Número de pieza | 74HCT257PW | |
| Descripción | Quad 2-input multiplexer 3-state | |
| Fabricantes | Philips | |
| Logotipo |  |
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INTEGRATED CIRCUITS
DATA SHEET
For a complete data sheet, please also download:
• The IC06 74HC/HCT/HCU/HCMOS Logic Family Specifications
• The IC06 74HC/HCT/HCU/HCMOS Logic Package Information
• The IC06 74HC/HCT/HCU/HCMOS Logic Package Outlines
74HC/HCT257
Quad 2-input multiplexer; 3-state
Product specification
Supersedes data of September 1993
File under Integrated Circuits, IC06
1998 Sep 30
1 page  
Philips Semiconductors
Quad 2-input multiplexer; 3-state
Product specification
74HC/HCT257
DC CHARACTERISTICS FOR 74HC
For the DC characteristics see “74HC/HCT/HCU/HCMOS Logic Family Specifications”.
Output capability: bus driver
ICC category: MSI
AC CHARACTERISTICS FOR 74HC
GND = 0 V; tr = tf = 6 ns; CL = 50 pF
SYMBOL PARAMETER
tPHL/ tPLH propagation delay
nI0 to nY;
nI1 to nY
tPHL/ tPLH propagation delay
S to nY
tPZH/ tPZL 3-state output enable time
OE to nY
tPHZ/ tPLZ 3-state output disable time
OE to nY
tTHL/ tTLH output transition time
Tamb (°C)
74HC
UNIT
+25 −40 to +85 −40 to +125
min. typ. max. min. max. min. max.
36 110
13 22
10 19
47 150
17 30
14 26
33 150
12 30
10 26
41 150
15 30
12 26
14 60
5 12
4 10
140
28
24
190
38
33
190
38
33
190
38
33
75
15
13
165 ns
33
28
225 ns
45
38
225 ns
45
38
225 ns
45
38
90 ns
18
15
TEST CONDITIONS
VCC WAVEFORMS
(V)
2.0 Fig.6
4.5
6.0
2.0 Fig.6
4.5
6.0
2.0 Fig.7
4.5
6.0
2.0 Fig.7
4.5
6.0
2.0 Fig.6
4.5
6.0
1998 Sep 30
5
5 Page 
Philips Semiconductors
Quad 2-input multiplexer; 3-state
Product specification
74HC/HCT257
TSSOP16: plastic thin shrink small outline package; 16 leads; body width 4.4 mm
SOT403-1
D
y
Z
16
9
c
EA
X
HE v M A
pin 1 index
1
e
8
wM
bp
A2
A1
Q
(A3)
A
Lp
L
detail X
θ
0 2.5 5 mm
scale
DIMENSIONS (mm are the original dimensions)
UNIT
A
max.
A1
A2
A3
bp
c
mm
1.10
0.15
0.05
0.95
0.80
0.25
0.30
0.19
0.2
0.1
D (1) E (2)
e
5.1
4.9
4.5
4.3
0.65
HE
6.6
6.2
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
REFERENCES
JEDEC
EIAJ
SOT403-1
MO-153
L Lp Q
1.0
0.75
0.50
0.4
0.3
v w y Z (1) θ
0.2 0.13 0.1
0.40
0.06
8o
0o
EUROPEAN
PROJECTION
ISSUE DATE
94-07-12
95-04-04
1998 Sep 30
11
11 Page | ||
| Páginas | Total 13 Páginas | |
| PDF Descargar | [ Datasheet 74HCT257PW.PDF ] | |
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