74ACTQ245MTCX Fairchild Semiconductor, 74ACTQ245MTCX Datasheet

IC TRANSCVR 3ST 8BIT 20TSSOP

74ACTQ245MTCX

Manufacturer Part Number
74ACTQ245MTCX
Description
IC TRANSCVR 3ST 8BIT 20TSSOP
Manufacturer
Fairchild Semiconductor
Series
74ACTQr
Datasheets

Specifications of 74ACTQ245MTCX

Logic Type
Transceiver, Non-Inverting
Number Of Elements
1
Number Of Bits Per Element
8
Current - Output High, Low
24mA, 24mA
Voltage - Supply
4.5 V ~ 5.5 V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
20-TSSOP
Dc
0642
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
74ACTQ245MTCX
74ACTQ245MTCXTR
©1989 Fairchild Semiconductor Corporation
74ACQ245, 74ACTQ245 Rev. 1.4
74ACQ245, 74ACTQ245
Quiet Series™ Octal Bidirectional Transceiver with
3-STATE Inputs/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.
FACT™, Quiet Series™, FACT Quiet Series™, and GTO™ are trademarks of Fairchild Semiconductor Corporation.
74ACQ245SC
74ACQ245SJ
74ACTQ245SC
74ACTQ245SJ
74ACTQ245QSC
74ACTQ245MSA
74ACTQ245MTC
74ACTQ245MTCX_NL
I
Guaranteed simultaneous switching noise level and
dynamic threshold performance
Guaranteed pin-to-pin skew AC performance
Improved latch-up immunity
3-STATE outputs drive bus lines or buffer memory
address registers
Outputs source/sink 24mA
Faster prop delays than the standard ACT245
CC
Order Number
and I
OZ
reduced by 50%
(1)
Package
Number
MQA20
MSA20
MTC20
MTC20
M20D
M20D
M20B
M20B
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 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 Quarter Size Outline Package (QSOP), JEDEC MO-137, 0.150"
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 ACQ/ACTQ245 contains eight non-inverting bidirec-
tional buffers with 3-STATE outputs and is intended for
bus-oriented applications. Current sinking capability is
24mA at 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 placing them in a HIGH Z condition.
The ACQ/ACTQ utilizes Fairchild Quiet Series™
technology to guarantee quiet output switching and
improve dynamic threshold performance. FACT Quiet
Series™ features GTO™ output control and undershoot
corrector in addition to a split ground bus for superior
performance.
Package Description
www.fairchildsemi.com
March 2007
tm

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74ACTQ245MTCX Summary of contents

Page 1

... MQA20 74ACTQ245MSA MSA20 74ACTQ245MTC MTC20 (1) 74ACTQ245MTCX_NL MTC20 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. FACT™, Quiet Series™, FACT Quiet Series™, and GTO™ are trademarks of Fairchild Semiconductor Corporation. ...

Page 2

... Output Enable Input T/R Transmit/Receive Input A –A Side A 3-STATE Inputs or 3-STATE 0 7 Outputs B –B Side B 3-STATE Inputs or 3-STATE 0 7 Outputs ©1989 Fairchild Semiconductor Corporation 74ACQ245, 74ACTQ245 Rev. 1.4 Logic Symbol IEEE/IEC Truth Table Inputs OE T Bus B Data to Bus Bus A Data to Bus B H ...

Page 3

... O T Operating Temperature A ∆ ∆ t Minimum Input Edge Rate, ACQ Devices: V from 30 ∆V / ∆ t Minimum Input Edge Rate, ACTQ Devices: V from 0.8V to 2.0V ©1989 Fairchild Semiconductor Corporation 74ACQ245, 74ACTQ245 Rev. 1.4 Parameter Parameter , V @ 3.0V, 4.5V, 5. 4.5V, 5. Rating –0.5V to +7.0V –20mA +20mA – ...

Page 4

... Max number of outputs defined as (n). Data Inputs are driven 0V to 5V; one output @ GND. 6. Max number of Data Inputs (n) switching. (n–1) Inputs switching (ACQ). Input-under-test switching threshold ( threshold (V ILD ©1989 Fairchild Semiconductor Corporation 74ACQ245, 74ACTQ245 Rev. 1 (V) Conditions Typ ...

Page 5

... Maximum test duration 2.0ms, one output loaded at a time. 9. Max number of outputs defined as (n). n–1 Data Inputs are driven 0V to 3V; one output @ GND. 10. Max number of Data Inputs (n) switching. (n–1) Inputs switching (ACTQ). Input-under-test switching threshold ( threshold (V ILD ©1989 Fairchild Semiconductor Corporation 74ACQ245, 74ACTQ245 Rev. 1.4 = +25° ...

Page 6

... The specification applies to any outputs switching in the same direction, either HIGH-to-LOW ( LOW-to-HIGH (t OSHL Capacitance Symbol Parameter C Input Capacitance IN C Input/Output Capacitance I/O C Power Dissipation Capacitance PD ©1989 Fairchild Semiconductor Corporation 74ACQ245, 74ACTQ245 Rev. 1.4 = +25° (11) V (V) Min. Typ. Max. CC 3.3 2 ...

Page 7

... V are measured with respect to ground OHV OLP reference. 16. Input pulses have the following characteristics 1MHz 3ns 3ns, skew < 150ps Figure 1. Quiet Output Noise Voltage Waveforms ©1989 Fairchild Semiconductor Corporation 74ACQ245, 74ACTQ245 Rev. 1 and OLP OLV OHP OHV ■ Determine the quiet output pin that demonstrates the greatest noise levels ...

Page 8

... Physical Dimensions Dimensions are in inches (millimeters) unless otherwise noted. Figure 3. 20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300" Wide ©1989 Fairchild Semiconductor Corporation 74ACQ245, 74ACTQ245 Rev. 1.4 Package Number M20B 8 www.fairchildsemi.com ...

Page 9

... Physical Dimensions (Continued) Dimensions are in millimeters unless otherwise noted. Figure 4. 20-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide ©1989 Fairchild Semiconductor Corporation 74ACQ245, 74ACTQ245 Rev. 1.4 Package Number M20D 9 www.fairchildsemi.com ...

Page 10

... Physical Dimensions (Continued) Dimensions are in millimeters unless otherwise noted. Figure 5. 20-Lead Quarter Size Outline Package (QSOP), JEDEC MO-137, 0.150" Wide ©1989 Fairchild Semiconductor Corporation 74ACQ245, 74ACTQ245 Rev. 1.4 Package Number MQA20 10 www.fairchildsemi.com ...

Page 11

... Physical Dimensions (Continued) Dimensions are in millimeters unless otherwise noted. Figure 6. 20-Lead Shrink Small Outline Package (SSOP), JEDEC MO-150, 5.3mm Wide ©1989 Fairchild Semiconductor Corporation 74ACQ245, 74ACTQ245 Rev. 1.4 Package Number MSA20 11 www.fairchildsemi.com ...

Page 12

... Physical Dimensions (Continued) Dimensions are in millimeters unless otherwise noted. Figure 7. 20-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide ©1989 Fairchild Semiconductor Corporation 74ACQ245, 74ACTQ245 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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