74VHCT245ASJX Fairchild Semiconductor, 74VHCT245ASJX Datasheet

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74VHCT245ASJX

Manufacturer Part Number
74VHCT245ASJX
Description
IC BUFF/DVR TRI-ST 8BIT 20SOP
Manufacturer
Fairchild Semiconductor
Series
74VHCTr
Datasheet

Specifications of 74VHCT245ASJX

Logic Type
Buffer/Line Driver, Non-Inverting
Number Of Elements
1
Number Of Bits Per Element
8
Current - Output High, Low
8mA, 8mA
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:
74VHCT245ASJX
Manufacturer:
FAIRCHILD/仙童
Quantity:
20 000
©1997 Fairchild Semiconductor Corporation
74VHCT245A Rev. 1.3
74VHCT245A
Octal Buffer/Line Driver with 3-STATE Outputs
Features
Ordering Information
Surface mount packages are also available on Tape and Reel. Specify by appending the suffix letter “X” to the
ordering number. Pb-Free package per JEDED J-STD-020B.
74VHCT245AM
74VHCT245ASJ
74VHCT245AMTC
High Speed: t
Power Down Protection on Inputs and Outputs
Low Power Dissipation: I
Pin and Function Compatible with 74HCT245
Order Number
PD
5.4ns (Typ.) at V
Package
Number
MTC20
CC
M20D
M20B
4 A (Max.) @ T
CC
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 Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm
Wide
5V
A
25°C
General Description
The VHCT245A is an advanced high speed CMOS octal
bus transceiver fabricated with silicon gate CMOS tech-
nology. It achieves high speed operation similar to equiv-
alent Bipolar Schottky TTL while maintaining the CMOS
low power dissipation. The VHCT245A is intended for
bidirectional asynchronous communication between
data busses. The direction of data transmission is deter-
mined by the level of the T/R input. The enable input can
be used to disable the device so that the busses are
effectively isolated.
Protection circuits ensure that 0V to 7V can be applied to
the input and output
voltage. These circuits prevent device destruction due to
mismatched supply and input/output voltages. This
device can be used to interface 5V to 3V systems and
two supply systems such as battery back up.
Note:
1. Outputs in OFF-State
Package Description
(1)
pins without regard to the supply
www.fairchildsemi.com
May 2007
tm

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74VHCT245ASJX Summary of contents

Page 1

... MTC20 Surface mount packages are also available on Tape and Reel. Specify by appending the suffix letter “X” to the ordering number. Pb-Free package per JEDED J-STD-020B. ©1997 Fairchild Semiconductor Corporation 74VHCT245A Rev. 1.3 General Description 5V The VHCT245A is an advanced high speed CMOS octal ...

Page 2

... Pin Names Description OE Output Enable Input T/R Transmit/Receive Input A –A Side A Inputs or 3-STATE Outputs –B Side B Inputs or 3-STATE Outputs 0 7 ©1997 Fairchild Semiconductor Corporation 74VHCT245A Rev. 1.3 Logic Symbol IEEE/IEC Truth Table Inputs OE T/R Outputs L L Bus B Data to Bus Bus A Data to Bus B H ...

Page 3

... OUT 3. When outputs are in OFF-State or when GND (Outputs Active). OUT OUT CC 5. Unused inputs must be held HIGH or LOW. They may not float. ©1997 Fairchild Semiconductor Corporation 74VHCT245A Rev. 1.3 Parameter (4) (5) Parameter 5.0V ± 0. Rating – ...

Page 4

... Quiet Output Minimum OLV Dynamic V OL (6) V Minimum HIGH Level IHD Dynamic Input Voltage (6) V Maximum LOW Level ILD Dynamic Input Voltage Note: 6. Parameter guaranteed by design. ©1997 Fairchild Semiconductor Corporation 74VHCT245A Rev. 1.3 V (V) Conditions CC 4.5 5.5 4.5 5.5 4 –50µA IN ...

Page 5

... PD current consumption without load. Average operating current can be obtained by the equation: I (Opr.) C • V • can be calculated by the equation: C ©1997 Fairchild Semiconductor Corporation 74VHCT245A Rev. 1.3 V (V) Conditions CC 5.0 ± 0.5 C 15pF L C 50pF L 5.0 ± 0.5 R ...

Page 6

... Physical Dimensions Dimensions are in millimeters unless otherwise noted. Figure 1. 20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300" Wide ©1997 Fairchild Semiconductor Corporation 74VHCT245A Rev. 1.3 Package Number M20B 6 www.fairchildsemi.com ...

Page 7

... Physical Dimensions (Continued) Dimensions are in millimeters unless otherwise noted. Figure 2. 20-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide ©1997 Fairchild Semiconductor Corporation 74VHCT245A Rev. 1.3 Package Number M20D 7 www.fairchildsemi.com ...

Page 8

... Physical Dimensions (Continued) Dimensions are in millimeters unless otherwise noted. Figure 3. 20-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide ©1997 Fairchild Semiconductor Corporation 74VHCT245A Rev. 1.3 Package Number MTC20 8 www.fairchildsemi.com ...

Page 9

... 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™ CorePLUS™ ...

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