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MC74LCX245DWR2G 参数 Datasheet PDF下载

MC74LCX245DWR2G图片预览
型号: MC74LCX245DWR2G
PDF下载: 下载PDF文件 查看货源
内容描述: 低压CMOS八路收发器 [Low-Voltage CMOS Octal Transceiver]
分类和应用: 逻辑集成电路光电二极管
文件页数/大小: 9 页 / 146 K
品牌: ONSEMI [ ON SEMICONDUCTOR ]
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MC74LCX245
Low-Voltage CMOS Octal
Transceiver
With 5 V−Tolerant Inputs and Outputs
(3−State, Non−Inverting)
The MC74LCX245 is a high performance, non−inverting octal
transceiver operating from a 2.0 to 5.5 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 MC74LCX245 inputs
to be safely driven from 5 V devices if V
CC
is less than 5.0 V. 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.
Features
http://onsemi.com
MARKING
DIAGRAMS
20
20
1
SOIC−20
DW SUFFIX
CASE 751D
1
20
TSSOP−20
DT SUFFIX
CASE 948E
1
LCX
245
ALYWG
G
LCX245
AWLYYWWG
20
1
Designed for 2.0 to 5.5 V V
CC
Operation
5 V Tolerant
Interface Capability With 5 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
A
L, WL
Y, YY
W, WW
G or
G
1
QFN20
MN SUFFIX
CASE 485AA
LCX
245
ALYWG
G
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
NLV Prefix for Automotive and Other Applications Requiring
Unique Site and Control Change Requirements; AEC−Q100
Qualified and PPAP Capable
These Devices are Pb−Free, Halogen Free/BFR Free and are RoHS
Compliant
= Assembly Location
= Wafer Lot
= Year
= Work Week
= Pb−Free Package
(Note: Microdot may be in either location)
ORDERING INFORMATION
See detailed ordering and shipping information in the package
dimensions section on page 6 of this data sheet.
*For additional information on our Pb−Free strategy and soldering details, please
download the ON Semiconductor Soldering and Mounting Techniques
Reference Manual, SOLDERRM/D.
©
Semiconductor Components Industries, LLC, 2012
October, 2012
Rev. 11
1
Publication Order Number:
MC74LCX245/D