74HC257N,652 NXP Semiconductors, 74HC257N,652 Datasheet - Page 10
74HC257N,652
Manufacturer Part Number
74HC257N,652
Description
IC MUX QUAD 2INPUT 3STATE 16DIP
Manufacturer
NXP Semiconductors
Series
74HCr
Type
Multiplexerr
Datasheet
1.74HC257N652.pdf
(17 pages)
Specifications of 74HC257N,652
Package / Case
16-DIP (0.300", 7.62mm)
Circuit
4 x 2:1
Independent Circuits
1
Current - Output High, Low
7.8mA, 7.8mA
Voltage Supply Source
Single Supply
Voltage - Supply
2 V ~ 6 V
Operating Temperature
-40°C ~ 125°C
Mounting Type
Through Hole
Product
Decoders, Encoders, Multiplexers & Demultiplexers
Logic Family
HC
Number Of Lines (input / Output)
8.0 / 4.0
Propagation Delay Time
110 ns at 2 V, 22 ns at 4.5 V, 19 ns at 6 V
Supply Voltage (max)
6 V
Supply Voltage (min)
2 V
Maximum Operating Temperature
+ 125 C
Minimum Operating Temperature
- 40 C
Mounting Style
Through Hole
Number Of Input Lines
8.0
Number Of Output Lines
4.0
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Lead free / RoHS Compliant
Other names
568-1425-5
74HC257N
933669550652
74HC257N
933669550652
NXP Semiconductors
Table 9.
74HC_HCT257_5
Product data sheet
Type
74HC257
74HCT257
Fig 8.
Measurement points are given in
Definitions test circuit:
R
C
R
Test circuit for switching times
T
L
L
Test data
= Termination resistance should be equal to output impedance Z
= Load capacitance including jig and probe capacitance.
= Load resistor.
Input
V
V
3 V
I
CC
t
6 ns
6 ns
r
negative
, t
positive
pulse
pulse
f
0 V
0 V
V
V
G
I
I
Table 8
90 %
10 %
V I
Load
C
50 pF
50 pF
and test data is given in
L
t
t
r
f
Rev. 05 — 13 January 2010
V
V
M
M
R T
10 %
90 %
DUT
V
CC
t
t
W
W
R
1 kΩ
1 kΩ
L
V O
Table
o
of the pulse generator.
V
V
M
M
9.
C L
74HC257; 74HCT257
t
t
r
f
R L
Switch position
t
open
open
PHL
S1
, t
001aad983
PLH
Quad 2-input multiplexer; 3-state
V
CC
open
t
GND
GND
PZH
, t
PHZ
© NXP B.V. 2010. All rights reserved.
t
V
V
PZL
CC
CC
, t
PLZ
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