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MC74LCX257DTR2G

P1-P3P4-P6P7-P8
© Semiconductor Components Industries, LLC, 2012
October, 2012 − Rev. 7
1 Publication Order Number:
MC74LCX257/D
MC74LCX257
Low-Voltage CMOS Quad
2-Input Multiplexer
With 5.0 V−Tolerant Inputs and Outputs
(3−State, Non−Inverting)
The MC74LCX257 is a high performance, quad 2−input
multiplexer with 3−state outputs operating from a 2.3 to 3.6 V supply.
High impedance TTL compatible inputs significantly reduce current
loading to input drivers while TTL compatible outputs offer improved
switching noise performance. A V
I
specification of 5.5 V allows
MC74LCX257 inputs to be safely driven from 5.0 V devices.
Four bits of data from two sources can be selected using the Select
input. The four outputs present the selected data in the true
(non−inverted) form. The outputs may be switched to a high
impedance state by placing a logic HIGH on the Output Enable (OE
)
input. Current drive capability is 24 mA at the outputs.
Features
• Designed for 2.3 to 3.6 V V
CC
Operation
• 5.0 V Tolerant − Interface Capability with 5.0 V TTL Logic
• Supports Live Insertion and Withdrawal
• I
OFF
Specification Guarantees High Impedance When V
CC
= 0 V
• LVTTL Compatible
• LVCMOS Compatible
• 24 mA Balanced Output Sink and Source Capability
• Near Zero Static Supply Current in All Three Logic States (10 mA)
Substantially Reduces System Power Requirements
• Latchup Performance Exceeds 500 mA
• ESD Performance:
♦ Human Body Model >2000 V
♦ Machine Model >200 V
• These Devices are Pb−Free, Halogen Free/BFR Free and are RoHS
Compliant
MARKING
DIAGRAMS
See detailed ordering and shipping information in the package
dimensions section on page 3 of this data sheet.
ORDERING INFORMATION
http://onsemi.com
SOIC−16
D SUFFIX
CASE 751B
TSSOP−16
DT SUFFIX
CASE 948F
16
1
16
1
A = Assembly Location
WL, L = Wafer Lot
Y = Year
WW, W = Work Week
G or G = Pb−Free Package
LCX257G
AWLYWW
LCX
257
ALYWG
G
16
16
1
1
(Note: Microdot may be in either location)
MC74LCX257
http://onsemi.com
2
Figure 1. Pinout: 16−Lead Plastic Package
(Top View)
Figure 2. Logic Diagram
1516 14 13 12 11 10
21 34567
V
CC
9
8
OE
I0c I1c Zc I0d I1d
Zd
S
I0a
I1a
Za I0b
I1b
Zb GND
Za
I0a
4
2
S
I1a
3
1
Zb
I0b
7
5
I1b
6
Zc
I0c
12
14
I1c
13
Zd
I0d
9
11
I1d
10
OE
15
PIN NAMES
Pins Function
l0n Source 0 Data Inputs
l1n Source 1 Data Inputs
OE Output Enable Input
S Select Input
Zn Outputs
TRUTH TABLE
Inputs Outputs
OE S l0n l1n Zn
H X X X Z
L H X L L
L H X H H
L L L X L
L L H X H
H = High Voltage Level
L = Low Voltage Level
X = High or Low Voltage Level and Transitions are Acceptable
Z = High Impedance State
For ICC reasons, DO NOT FLOAT Inputs
MC74LCX257
http://onsemi.com
3
MAXIMUM RATINGS
Symbol Parameter Value Condition Units
V
CC
DC Supply Voltage −0.5 to +7.0 V
V
I
DC Input Voltage −0.5 ≤ V
I
≤ +7.0 V
V
O
DC Output Voltage −0.5 ≤ V
I
≤ +7.0 Output in 3−State V
−0.5 ≤ V
O
≤ V
CC
+ 0.5 Output in HIGH or LOW State (Note 1) V
I
IK
DC Input Diode Current −50 V
I
< GND mA
I
OK
DC Output Diode Current −50 V
O
< GND mA
+50 V
O
> V
CC
mA
I
O
DC Output Source/Sink Current ±50 mA
I
CC
DC Supply Current Per Supply Pin ±100 mA
I
GND
DC Ground Current Per Ground Pin ±100 mA
T
STG
Storage Temperature Range −65 to +150 °C
MSL Moisture Sensitivity Level 1
Maximum ratings are those values beyond which device damage can occur. Maximum ratings applied to the device are individual stress limit
values (not normal operating conditions) and are not valid simultaneously. If these limits are exceeded, device functional operation is not implied,
damage may occur and reliability may be affected.
1. I
O
absolute maximum rating must be observed.
RECOMMENDED OPERATING CONDITIONS
Symbol Parameter Min Type Max Units
V
CC
Supply Voltage
Operating
Data Retention Only
2.0
1.5
2.5, 3.3
2.5, 3.3
3.6
3.6
V
V
I
Input Voltage 0 5.5 V
V
O
Output Voltage
(HIGH or LOW State)
(3−State)
0
0
V
CC
5.5
V
I
OH
HIGH Level Output Current
V
CC
= 3.0 V − 3.6 V
V
CC
= 2.7 V − 3.0 V
V
CC
= 2.3 V − 2.7 V
−24
−12
−8
mA
I
OL
LOW Level Output Current
V
CC
= 3.0 V − 3.6 V
V
CC
= 2.7 V − 3.0 V
V
CC
= 2.3 V − 2.7 V
+24
+12
+8
mA
T
A
Operating Free−Air Temperature −40 +85 °C
Dt/DV
Input Transition Rise or Fall Rate, V
IN
from 0.8 V to 2.0 V, V
CC
= 3.0 V 0 10 ns/V
ORDERING INFORMATION
Device Package Shipping
†
MC74LCX257DR2G SOIC−16
(Pb−Free)
2500 Tape & Reel
MC74LCX257DTG TSSOP−16
(Pb−Free)
96 Units / Rail
MC74LCX257DTR2G TSSOP−16
(Pb−Free)
2500 Tape & Reel
†For information on tape and reel specifications, including part orientation and tape sizes, please refer to our Tape and Reel Packaging
Specifications Brochure, BRD8011/D.
P1-P3P4-P6P7-P8

MC74LCX257DTR2G

Mfr. #:
Buy MC74LCX257DTR2G
Manufacturer:
ON Semiconductor
Description:
Encoders, Decoders, Multiplexers & Demultiplexers 2-3.6V CMOS Quad 2-Input
Lifecycle:
New from this manufacturer.
Delivery:
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