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74FR9245MSAX Datasheet

  • 74FR9245MSAX

  • 9-Bit Bus Transceiver

  • 6頁(yè)

  • ETC

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74FR9245 9-Bit Bidirectional Transceiver with 3-STATE Outputs
April 1991
Revised June 2001
74FR9245
9-Bit Bidirectional Transceiver with 3-STATE Outputs
General Description
The 74FR9245 contains nine non-inverting bidirectional
buffers with 3-STATE outputs and is intended for bus-ori-
ented 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 bidirec-
tional 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 placing them
in a High Z condition.
Features
s
Non-inverting buffers
s
Bidirectional data path
s
A and B output sink capability of 64 mA, source
capability of 15 mA
s
Guaranteed pin-to-pin skew, multiple output switching
and 250 pf delay
Ordering Code:
Order Number
74FR9245SC
74FR9245MSA
74FR9245SPC
Package Number
M24B
MSA24
N24C
Package Description
24-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300" Wide
24-Lead Shrink Small Outline Package (SSOP), EIAJ TYPE II, 5.3mm Wide
24-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300" Wide
Devices also available in Tape and Reel. Specify by appending the suffix letter 鈥淴鈥?to the ordering code.
Logic Symbol
Connection Diagram
Pin Descriptions
Pin Names
OE
T/R
A
0
鈥揂
8
B
0
鈥揃
8
Description
Output Enable Input (Active-LOW)
Transmit/Receive Input
Side A Inputs or 3-STATE Outputs
Side B Inputs or 3-STATE Outputs
Truth Table
Inputs
Output
OE
L
L
H
H
=
HIGH Voltage Level
L
=
LOW Voltage Level
X
=
Immaterial
T/R
L
H
X
Bus B Data to Bus A
Bus A Data to Bus B
High Z State
漏 2001 Fairchild Semiconductor Corporation
DS010914
www.fairchildsemi.com

74FR9245MSAX 產(chǎn)品屬性

  • Fairchild Semiconductor

  • Bipolar

  • F

  • 9

  • TTL

  • TTL

  • 3-State

  • - 15 mA

  • 64 mA

  • 3.9 ns

  • 5.5 V

  • 4.5 V

  • + 70 C

  • SSOP-24

  • Reel

  • Bus Transceiver

  • 0 C

  • SMD/SMT

  • 1

  • Non-Inverting

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