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MC74LCX245DTEL Datasheet PDF : 8 Pages
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MC74LCX245
Low-Voltage CMOS Octal
Transceiver
With 5 V–Tolerant Inputs and Outputs
(3–State, Inverting)
The MC74LCX245 is a high performance, non–inverting octal
transceiver 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 VI specification of 5.5 V allows MC74LCX245 inputs
to be safely driven from 5 V devices. The MC74LCX245 is suitable
for memory address driving and all TTL level bus oriented transceiver
applications.
Current drive capability is 24 mA at both A and B ports. The
Transmit/Receive (T/R) input determines the direction of data flow
through the bi–directional transceiver. Transmit (active–HIGH)
enables data from A ports to B ports; Receive (active–LOW) enables
data from B to A ports. The Output Enable input, when HIGH,
disables both A and B ports by placing them in a HIGH Z condition.
• Designed for 2.3 to 3.6 V VCC Operation
• 5 V Tolerant — Interface Capability With 5 V TTL Logic
• Supports Live Insertion and Withdrawal
• IOFF Specification Guarantees High Impedance When VCC = 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 µA)
Substantially Reduces System Power Requirements
• Latchup Performance Exceeds 500 mA
• ESD Performance: Human Body Model >2000 V; Machine Model
>200 V
http://onsemi.com
MARKING
DIAGRAMS
20
1
SO–20
DW SUFFIX
CASE 751D
20
1
TSSOP–20
DT SUFFIX
CASE 948E
20
LCX245
AWLYYWW
1
20
LCX
245
ALYW
1
20
1
SO EIAJ–20
M SUFFIX
CASE 967
20
74LCX245
AWLYYWW
1
A
= Assembly Location
L , WL = Wafer Lot
Y, YY = Year
W, WW = Work Week
ORDERING INFORMATION
Device
Package
Shipping
MC74LCX245DW
SO–20
38 Units/Rail
MC74LCX245DWR2 SO–20 1000 Units/Reel
MC74LCX245DT
TSSOP–20 75 Units/Rail
MC74LCX245DTEL TSSOP–20 2000 Units/Reel
MC74LCX245DTR2 TSSOP–20 2500 Units/Reel
MC74LCX245M
MC74LCX245MEL
SO
EIAJ–20
SO
EIAJ–20
40 Units/Rail
2000 Units/Reel
© Semiconductor Components Industries, LLC, 2000
1
December, 2000 – Rev. 4
Publication Order Number:
MC74LCX245/D
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