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SN74HC245DW 数据手册 - TI（德州仪器）
制造商:
TI（德州仪器）
分类:
逻辑控制器
封装:
SOIC-20
描述:
TEXAS INSTRUMENTS SN74HC245DW 收发器, 非反相, 3态, 2V至6V, SOIC-20
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引脚图在P3Hot
典型应用电路图在P1P8P9P10
原理图在P8P9
封装尺寸在P12P13P16P17
标记信息在P12P13P14
封装信息在P11P12P13P14P15P16P17
技术参数、封装参数在P4
应用领域在P1P15P28
电气规格在P5
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SN74HC245DW数据手册
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SN54HC245
,
SN74HC245
SCLS131E –DECEMBER 1982–REVISED SEPTEMBER 2015
SNx4HC245 Octal Bus Transceivers With 3-State Outputs
1 Features 3 Description
These octal bus transceivers are designed for
1
• Wide Operating Voltage Range of 2 V to 6 V
asynchronous two-way communication between data
• High-Current 3-State Outputs Drive Bus Lines
buses. The control-function implementation minimizes
Directly or Up to 15 LSTTL Loads
external timing requirements.
• Low Power Consumption, 80-μA Max I
CC
The devices allow data transmission from the A bus
• Typical t
pd
= 12 ns
to the B bus or from the B bus to the A bus,
• ±6-mA Output Drive at 5 V
depending on the logic level at the direction-control
(DIR) input. The output-enable (OE) input can be
• Low Input Current of 1 μA Max
used to disable the device so that the buses are
• On Products Compliant to MIL-PRF-38535,
effectively isolated.
All Parameters Are Tested Unless Otherwise
Noted. On All Other Products, Production
Device Information
Processing Does Not Necessarily Include Testing
PART NUMBER PACKAGE BODY SIZE (NOM)
of All Parameters.
SSOP (20) 7.20 mm × 5.30 mm
SOIC (20) 12.80 mm × 7.50 mm
2 Applications
SNx4HC245 PDIP (20) 24.33 mm × 6.35 mm
• Servers
SOP (20) 12.60 mm × 5.30 mm
• PCs and Notebooks
TSSOP (20) 6.50 mm × 4.40 mm
• Network Switches
(1) For all available packages, see the orderable addendum at
the end of the data sheet.
• Wearable Health and Fitness Devices
• Telecom Infrastructures
• Electronic Points of Sale
Logic Diagram (Positive Logic)
1
An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,
intellectual property matters and other important disclaimers. PRODUCTION DATA.
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