74ABT245CSCX Fairchild Semiconductor, 74ABT245CSCX Datasheet

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74ABT245CSCX

Manufacturer Part Number
74ABT245CSCX
Description
IC TRANSCVR TRI-ST 8BIT 20SOIC
Manufacturer
Fairchild Semiconductor
Series
74ABTr
Datasheets

Specifications of 74ABT245CSCX

Logic Type
Transceiver, Non-Inverting
Number Of Elements
1
Number Of Bits Per Element
8
Current - Output High, Low
32mA, 64mA
Voltage - Supply
4.5 V ~ 5.5 V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
20-SOIC (7.5mm Width)
Lead Free Status / RoHS Status
Lead free / RoHS Compliant

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
74ABT245CSCX
Manufacturer:
FCS
Quantity:
20 000
©1991 Fairchild Semiconductor Corporation
74ABT245 Rev. 1.4
74ABT245
Octal Bi-Directional Transceiver with 3-STATE Outputs
Features
Ordering Information
Device also available in Tape and Reel. Specify by appending suffix letter “X” to the ordering number.
Pb-Free package per JEDEC J-STD-020B.
Note:
1. Device available in Tape and Reel only.
74ABT245CSC
74ABT245CSJ
74ABT245CMSA
74ABT245CMTC
74ABT245CMTCX_NL
Bidirectional non-inverting buffers
A and B output sink capability of 64mA, source
capability of 32mA
Guaranteed output skew
Guaranteed multiple output switching specifications
Output switching specified for both 50pF and 250pF
loads
Guaranteed simultaneous switching, noise level and
dynamic threshold performance
Guaranteed latchup protection
High-impedance, glitch-free bus loading during entire
power up and power down cycle
Nondestructive, hot-insertion capability
Disable time is less than enable time to avoid bus
contention
Order Number
(1)
Package
Number
MSA20
MTC20
MTC20
M20B
M20D
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 Shrink Small Outline Package (SSOP), JEDEC MO-150,
5.3mm Wide
20-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC
MO-153, 4.4mm Wide
20-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC
MO-153, 4.4mm Wide
General Description
The ABT245 contains eight non-inverting bidirectional
buffers with 3-STATE outputs and is intended for bus-
oriented applications. Current sinking capability is 64 mA
on both the A and B ports. The Transmit/Receive (T/R)
input determines the direction of data flow through the
bidirectional transceiver. Transmit (active HIGH) enables
data from A Ports to B Ports; Receive (active LOW)
enables data from B Ports to A Ports. The Output Enable
input, when HIGH, disables both A and B ports by plac-
ing them in a HIGH Z condition.
Package Description
www.fairchildsemi.com
March 2007
tm

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74ABT245CSCX Summary of contents

Page 1

... Device also available in Tape and Reel. Specify by appending suffix letter “X” to the ordering number. Pb-Free package per JEDEC J-STD-020B. Note: 1. Device available in Tape and Reel only. ©1991 Fairchild Semiconductor Corporation 74ABT245 Rev. 1.4 General Description The ABT245 contains eight non-inverting bidirectional buffers with 3-STATE outputs and is intended for bus- oriented applications ...

Page 2

... OE Output Enable Input (Active LOW) T/R Transmit/Receive Input A –A Side A Inputs or 3-STATE Outputs –B Side B Inputs or 3-STATE Outputs 0 7 Logic Diagram ©1991 Fairchild Semiconductor Corporation 74ABT245 Rev. 1.4 Logic Symbol Truth Table Inputs OE T Bus B Data to Bus Bus A Data to Bus HIGH Voltage Level ...

Page 3

... Free Air Ambient Temperature A V Supply Voltage CC ∆ ∆ t Minimum Input Edge Rate Data Input Enable Input ©1991 Fairchild Semiconductor Corporation 74ABT245 Rev. 1.4 Parameter Parameter 3 Rating –65°C to +150°C –55°C to +125°C –55°C to +150°C –0.5V to +7.0V – ...

Page 4

... Power Supply Current CCL I Power Supply Current CCZ I Additional Outputs Enabled CCT I /Input Outputs 3-STATE CC Outputs 3-STATE I Dynamic I No Load CCD CC ©1991 Fairchild Semiconductor Corporation 74ABT245 Rev. 1.4 V Conditions CC Recognized HIGH Signal Recognized LOW Signal = –18 mA (OE, T/R) Min – Min – ...

Page 5

... AC Electrical Characteristics SOIC and SSOP package. Symbol Parameter t Propagation Delay, PLH Data to Outputs t PHL t Output Enable Time PZH t PZL t Output Disable Time PHZ t PLZ ©1991 Fairchild Semiconductor Corporation 74ABT245 Rev. 1.4 Conditions = 50 pF 500Ω 25°C 5 25°C 5 25°C 5 ...

Page 6

... LOW-to-HIGH, HIGH-to-LOW, etc.) with 250pF load capacitors in place of the 50pF load capacitors in the standard AC load. 9. The 3-STATE delays are dominated by the RC network (500Ω, 250pF) on the output and have been excluded from the datasheet. ©1991 Fairchild Semiconductor Corporation 74ABT245 Rev. 1.4 = –40°C to +85°C, = –40°C to +85°C, ...

Page 7

... This specification is guaranteed but not tested. Capacitance Symbol Parameter C Input Capacitance IN (15) C I/O Capacitance I/O Note: is measured at frequency MHz, per MIL-STD-883, Method 3012. 15. C I/O ©1991 Fairchild Semiconductor Corporation 74ABT245 Rev. 1.4 = –40°C to +85°C, = –40°C to +85° 4.5V to 5.5V, = 4.5V to 5.5V 50pF, 8 Outputs ...

Page 8

... Figure 1. Standard AC Test Load Amplitude 3.0V AC Waveforms Figure 4. Propagation Delay Waveforms for Inverting and Non-Inverting Functions Figure 5. Propagation Delay, Pulse Width Waveforms ©1991 Fairchild Semiconductor Corporation 74ABT245 Rev. 1.4 Figure 2. Test Input Signal Levels Rep. Rate t W 1MHz 500ns Figure 3 ...

Page 9

... Physical Dimensions Dimensions are in inches (millimeters) unless otherwise noted. Figure 8. 20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300" Wide ©1991 Fairchild Semiconductor Corporation 74ABT245 Rev. 1.4 Package Number M20B 9 www.fairchildsemi.com ...

Page 10

... Physical Dimensions (Continued) Dimensions are in millimeters unless otherwise noted. Figure 9. 20-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide ©1991 Fairchild Semiconductor Corporation 74ABT245 Rev. 1.4 Package Number M20D 10 www.fairchildsemi.com ...

Page 11

... Physical Dimensions (Continued) Dimensions are in millimeters unless otherwise noted. Figure 10. 20-Lead Shrink Small Outline Package (SSOP), JEDEC MO-150, 5.3mm Wide ©1991 Fairchild Semiconductor Corporation 74ABT245 Rev. 1.4 Package Number MSA20 11 www.fairchildsemi.com ...

Page 12

... Physical Dimensions (Continued) Dimensions are in millimeters unless otherwise noted. Figure 11. 20-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide ©1991 Fairchild Semiconductor Corporation 74ABT245 Rev. 1.4 Package Number MTC20 12 www.fairchildsemi.com ...

Page 13

... TRADEMARKS The following are registered and unregistered trademarks Fairchild Semiconductor owns or is authorized to use and is not intended exhaustive list of all such trademarks. ® ACEx Across the board. Around the world. ActiveArray Bottomless Build it Now CoolFET CROSSVOLT CTL™ Current Transfer Logic™ ...

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