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74ABT245CMSA 数据表(PDF) 1 Page - Fairchild Semiconductor

部件名 74ABT245CMSA
功能描述  Octal Bi-Directional Transceiver with 3-STATE Outputs
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制造商  FAIRCHILD [Fairchild Semiconductor]
网页  http://www.fairchildsemi.com
标志 FAIRCHILD - Fairchild Semiconductor

74ABT245CMSA 数据表(HTML) 1 Page - Fairchild Semiconductor

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tm
March 2007
©1991 Fairchild Semiconductor Corporation
www.fairchildsemi.com
74ABT245 Rev. 1.4
74ABT245
Octal Bi-Directional Transceiver with 3-STATE Outputs
Features
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
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.
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.
Order Number
Package
Number
Package Description
74ABT245CSC
M20B
20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013,
0.300" Wide
74ABT245CSJ
M20D
20-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide
74ABT245CMSA
MSA20
20-Lead Shrink Small Outline Package (SSOP), JEDEC MO-150,
5.3mm Wide
74ABT245CMTC
MTC20
20-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC
MO-153, 4.4mm Wide
74ABT245CMTCX_NL(1)
MTC20
20-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC
MO-153, 4.4mm Wide


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