74HC257N,652 NXP Semiconductors, 74HC257N,652 Datasheet - Page 10

• Manufacturer Part Number: 74HC257N,652
• Description: IC MUX QUAD 2INPUT 3STATE 16DIP
• Manufacturer: NXP Semiconductors
• Series: 74HCr
• Type: Multiplexerr

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

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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