SN74AS645

Name: SN74AS645
Brand: TI
SKU: SN74AS645
Price: 2.557 USD

활성

3상 출력을 지원하는 8진 버스 트랜시버

지금 주문

데이터 시트

document-pdfAcrobat Octal Bus Transceivers With 3-State Outputs datasheet (영어)

SN74AS645

활성

데이터 시트

지금 주문

제품 상세 정보

Supply voltage (min) (V)

4.5

Supply voltage (max) (V)

5.5

Number of channels

8

IOL (max) (mA)

64

IOH (max) (mA)

-15

Input type

TTL

Output type

TTL

Features

Over-voltage tolerant inputs, Very high speed (tpd 5-10ns)

Technology family

AS

Rating

Catalog

Operating temperature range (°C)

0 to 70

Supply voltage (min) (V)

4.5

Supply voltage (max) (V)

5.5

Number of channels

8

IOL (max) (mA)

64

IOH (max) (mA)

-15

Input type

TTL

Output type

TTL

Features

Over-voltage tolerant inputs, Very high speed (tpd 5-10ns)

Technology family

AS

Rating

Catalog

Operating temperature range (°C)

0 to 70

PDIP (N)

20

228.702 mm² 24.33 x 9.4

Bidirectional Bus Transceivers in High-Density 20-Pin Packages
True Logic
3-State Outputs
Package Options Include Plastic Small-Outline (DW) Packages, Ceramic Chip Carriers (FK), and Standard Plastic (N) and Ceramic (J) 300-mil DIPs

Bidirectional Bus Transceivers in High-Density 20-Pin Packages
True Logic
3-State Outputs
Package Options Include Plastic Small-Outline (DW) Packages, Ceramic Chip Carriers (FK), and Standard Plastic (N) and Ceramic (J) 300-mil DIPs

These octal bus transceivers are designed for asynchronous two-way communication between data buses. These devices transmit data from the A bus to the B bus or from the B bus to the A bus, depending on the level at the direction-control (DIR) input. The output-enable input can be used to disable the device so that the buses are effectively isolated.

The -1 version of the SN74ALS645A is identical to the standard version, except that the recommended maximum I_OL is increased to 48 mA. There is no -1 version of the SN54ALS645A.

The SN54ALS645A and SN54AS645 are characterized for operation over the full military temperature range of -55°C to 125°C. The SN74ALS645A and SN74AS645 are characterized for operation from 0°C to 70°C.

These octal bus transceivers are designed for asynchronous two-way communication between data buses. These devices transmit data from the A bus to the B bus or from the B bus to the A bus, depending on the level at the direction-control (DIR) input. The output-enable input can be used to disable the device so that the buses are effectively isolated.

The -1 version of the SN74ALS645A is identical to the standard version, except that the recommended maximum I_OL is increased to 48 mA. There is no -1 version of the SN54ALS645A.

The SN54ALS645A and SN54AS645 are characterized for operation over the full military temperature range of -55°C to 125°C. The SN74ALS645A and SN74AS645 are characterized for operation from 0°C to 70°C.

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