MM74HC245AWMX Fairchild Semiconductor, MM74HC245AWMX Datasheet

IC TRANSCVR TRI-ST 8BIT 20SOIC

MM74HC245AWMX

Manufacturer Part Number
MM74HC245AWMX
Description
IC TRANSCVR TRI-ST 8BIT 20SOIC
Manufacturer
Fairchild Semiconductor
Series
74HCr
Datasheet

Specifications of MM74HC245AWMX

Logic Type
Transceiver, Non-Inverting
Number Of Elements
1
Number Of Bits Per Element
8
Current - Output High, Low
7.8mA, 7.8mA
Voltage - Supply
2 V ~ 6 V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
20-SOIC (7.5mm Width)
Logic Family
HC
Operating Supply Voltage (typ)
2.5/3.3/5V
Propagation Delay Time
300ns
Number Of Elements
1
Number Of Channels
8
Input Logic Level
CMOS
Output Logic Level
CMOS
Output Type
3-State
Package Type
SOIC W
Polarity
Non-Inverting
Logical Function
Bus Transceiver
Operating Supply Voltage (min)
2V
Operating Supply Voltage (max)
6V
Technology
CMOS
Operating Temp Range
-40C to 85C
Operating Temperature Classification
Industrial
Mounting
Surface Mount
Pin Count
20
Lead Free Status / RoHS Status
Lead free / RoHS Compliant

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© 2005 Fairchild Semiconductor Corporation
MM74HC245AWM
MM74HC245ASJ
MM74HC245AMTC
MM74HC245AN
MM74HC245A
Octal 3-STATE Transceiver
General Description
The MM74HC245A 3-STATE bidirectional buffer utilizes
advanced silicon-gate CMOS technology, and is intended
for two-way asynchronous communication between data
buses. It has high drive current outputs which enable high
speed operation even when driving large bus capaci-
tances. This circuit possesses the low power consumption
and high noise immunity usually associated with CMOS cir-
cuitry, yet has speeds comparable to low power Schottky
TTL circuits.
This device has an active LOW enable input G and a direc-
tion control input, DIR. When DIR is HIGH, data flows from
the A inputs to the B outputs. When DIR is LOW, data flows
from the B inputs to the A outputs. The MM74HC245A
transfers true data from one bus to the other.
This device can drive up to 15 LS-TTL Loads, and does not
have Schmitt trigger inputs. All inputs are protected from
damage due to static discharge by diodes to V
ground.
Ordering Code:
Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code.
Connection Diagram
Order Number
Pin Assignments for DIP, SOIC, SOP and TSSOP
Package Number
Top View
MTC20
M20B
M20D
N20A
20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300" Wide
20-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide
20-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide
20-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300" Wide
DS005165
CC
and
Features
Truth Table
H
L
X
Typical propagation delay: 13 ns
Wide power supply range: 2–6V
Low quiescent current: 80
3-STATE outputs for connection to bus oriented systems
High output drive: 6 mA (minimum)
Same as the 645
LOW Level
Irrelevant
HIGH Level
Package Description
G
H
L
L
Control
Inputs
DIR
H
L
X
P
A maximum (74 HC)
September 1983
Revised May 2005
B data to A bus
A data to B bus
Operation
Isolation
www.fairchildsemi.com

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MM74HC245AWMX Summary of contents

Page 1

... Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code. Connection Diagram Pin Assignments for DIP, SOIC, SOP and TSSOP Top View © 2005 Fairchild Semiconductor Corporation Features Typical propagation delay Wide power supply range: 2–6V ...

Page 2

Logic Diagram www.fairchildsemi.com 2 ...

Page 3

Absolute Maximum Ratings (Note 2) Supply Voltage ( Input Voltage DIR and G pins ( Input/Output Voltage ( OUT Clamp Diode Current ( Output Current, ...

Page 4

AC Electrical Characteristics q 5V 6ns Symbol Parameter Maximum Propagation Delay PHL PLH Maximum Output Enable PZH PZL Time Maximum Output ...

Page 5

Physical Dimensions inches (millimeters) unless otherwise noted 20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300" Wide Package Number M20B 5 www.fairchildsemi.com ...

Page 6

Physical Dimensions inches (millimeters) unless otherwise noted (Continued) 20-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide www.fairchildsemi.com Package Number M20D 6 ...

Page 7

Physical Dimensions inches (millimeters) unless otherwise noted (Continued) 20-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide Package Number MTC20 7 www.fairchildsemi.com ...

Page 8

Physical Dimensions inches (millimeters) unless otherwise noted (Continued) 20-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300" Wide Fairchild does not assume any responsibility for use of any circuitry described, no circuit patent licenses are implied and Fairchild reserves the right ...

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