74AHC257D,118 NXP Semiconductors, 74AHC257D,118 Datasheet - Page 11

• Manufacturer Part Number: 74AHC257D,118
• Description: IC QUAD 2-IN MUX 3-ST 16SOIC
• Manufacturer: NXP Semiconductors
• Series: 74AHCr
• Type: Multiplexerr

Specifications of 74AHC257D,118

• Package / Case: 16-SOIC (3.9mm Width)
• Circuit: 4 x 2:1
• Independent Circuits: 1
• Current - Output High, Low: 8mA, 8mA
• Voltage Supply Source: Single Supply
• Voltage - Supply: 2 V ~ 5.5 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Product: Multiplexer
• Logic Family: AHC
• Number Of Lines (input / Output): 8.0 / 4.0
• Propagation Delay Time: 12.8 ns at 3.3 V, 7.9 ns at 5 V
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 2 V
• Maximum Operating Temperature: + 125 C
• Minimum Operating Temperature: - 40 C
• Mounting Style: SMD/SMT
• 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: 74AHC257D-T; 74AHC257D-T; 935265467118

NXP Semiconductors
Table 9.
74AHC_AHCT257_2
Product data sheet
Type
74AHC257
74AHCT257
Fig 8.
Test data is given in
Definitions test circuit:
R
C
R
S1 = test selection switch.
Test circuitry for measuring switching times
T
L
L
Test data
= termination resistance should be equal to output impedance Z
= load capacitance including jig and probe capacitance.
= load resistance.
Input
V
V
3.0 V
I
CC
Table
negative
positive
t
9.
r
, t
pulse
pulse
3.0 ns
3.0 ns
0 V
0 V
f
V
V
G
I
I
90 %
10 %
V I
Load
C
15 pF, 50 pF
15 pF, 50 pF
L
t
t
f
r
V
V
M
M
Rev. 02 — 9 May 2008
R T
10 %
90 %
DUT
V
CC
t
t
W
W
R
1 k
1 k
V O
L
74AHC257; 74AHCT257
o
of the pulse generator.
V
V
M
M
C L
t
t
r
f
R L
S1 position
t
open
open
PHL
, t
S1
PLH
001aad983
Quad 2-input multiplexer; 3-state
V
CC
open
t
GND
GND
PZH
, t
PHZ
© NXP B.V. 2008. All rights reserved.
t
V
V
PZL
CC
CC
, t
PLZ
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