DM74AS245WM Fairchild Semiconductor, DM74AS245WM Datasheet
DM74AS245WM
Manufacturer Part Number
DM74AS245WM
Description
IC TRANSCEIVER 3-ST 8BIT 20SOIC
Manufacturer
Fairchild Semiconductor
Series
74ASr
Datasheet
1.DM74AS245SJX.pdf
(5 pages)
Specifications of DM74AS245WM
Logic Type
Transceiver, Non-Inverting
Number Of Elements
1
Number Of Bits Per Element
8
Current - Output High, Low
15mA, 48mA
Voltage - Supply
4.5 V ~ 5.5 V
Operating Temperature
0°C ~ 70°C
Mounting Type
Surface Mount
Package / Case
20-SOIC (7.5mm Width)
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
© 2000 Fairchild Semiconductor Corporation
DM74AS245WM
DM74AS245SJ
DM74AS245N
DM74AS245
Octal Bus Transceiver with 3-STATE Outputs
General Description
This advanced Schottky device contains 8 pairs of
3-STATE logic elements configured as octal bus transceiv-
ers. These circuits are designed for use in memory, micro-
processor systems and in asynchronous bidirectional data
buses. Two way communication between buses is con-
trolled by the (DIR) input. Data transmits either from the A
bus to the B bus or from the B bus to the A bus. Both the
driver and receiver outputs can be disabled via the (G)
enable input which causes outputs to enter the high imped-
ance mode so that the buses are effectively isolated.
Ordering Code:
Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code.
Connection Diagram
Order Number
Package Number
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 Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300 Wide
DS006299
Features
Function Table
Advanced oxide-isolated, ion-implanted Schottky
TTL process
Non-inverting logic output
3-STATE outputs independently controlled on
A and B buses
Low output impedance to drive terminated transmission
lines to 133
Switching response specified into 500 /50 pF
Specified to interface with CMOS at V
PNP inputs reduce input loading
Switching specifications guaranteed over full
temperature and V
Package Description
G
H
L
L
Control
Inputs
CC
DIR
H
L
X
range
October 1986
Revised February 2000
B Data to A Bus
A Data to B Bus
Operation
www.fairchildsemi.com
OH
Hi-Z
V
CC
2V
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Datasheet:
DM74AS245WM Summary of contents
Page 1
... Ordering Code: Order Number Package Number DM74AS245WM M20B 20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300 Wide DM74AS245SJ M20D 20-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide ...
Page 2
Absolute Maximum Ratings Supply Voltage Input Voltage Control Inputs I/O Ports Operating Free Air Temperature Range Storage Temperature Range Typical JA N Package M Package Recommended Operating Conditions Symbol Parameter V Supply Voltage CC V HIGH Level Input ...
Page 3
Physical Dimensions inches (millimeters) unless otherwise noted 20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300 Wide Package Number M20B 3 www.fairchildsemi.com ...
Page 4
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 4 ...
Page 5
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 ...