Texas Instruments SN74LS640-1N, 1 Bus Transceiver, 8-Bit Inverting TTL, 20-Pin PDIP

RS Stock No.: 145-1078Brand: Texas InstrumentsManufacturers Part No.: SN74LS640-1N
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Technical Document

Specifications

Logic Family

LS

Logic Function

Bus Transceiver

Number of Elements per Chip

1

Number of Channels per Chip

8

Polarity

Inverting

Mounting Type

Through Hole

Package Type

PDIP

Pin Count

20

Input Level

TTL

Output Level

TTL

Maximum High Level Output Current

-15mA

Maximum Low Level Output Current

48mA

Maximum Propagation Delay Time @ Maximum CL

15 ns @ 5 V

Height

4.57mm

Width

6.35mm

Minimum Operating Supply Voltage

4.75 V

Maximum Operating Temperature

+70 °C

Propagation Delay Test Condition

45pF

Minimum Operating Temperature

0 °C

Dimensions

24.33 x 6.35 x 4.57mm

Length

24.33mm

Maximum Operating Supply Voltage

5.25 V

Product details

74LS Family Bus Transceivers, Texas Instruments

Texas Instruments range of Bus Transceivers from the 74LS Family of Low Power Schottky Logic ICs. The 74LS Family use bipolar junction technology coupled with Schottky diode clamps to achieve operating speeds equal to the original 74TTL family but with much lower power consumption.

74LS Family

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P.O.A.

Texas Instruments SN74LS640-1N, 1 Bus Transceiver, 8-Bit Inverting TTL, 20-Pin PDIP

P.O.A.

Texas Instruments SN74LS640-1N, 1 Bus Transceiver, 8-Bit Inverting TTL, 20-Pin PDIP
Stock information temporarily unavailable.

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Technical Document

Specifications

Logic Family

LS

Logic Function

Bus Transceiver

Number of Elements per Chip

1

Number of Channels per Chip

8

Polarity

Inverting

Mounting Type

Through Hole

Package Type

PDIP

Pin Count

20

Input Level

TTL

Output Level

TTL

Maximum High Level Output Current

-15mA

Maximum Low Level Output Current

48mA

Maximum Propagation Delay Time @ Maximum CL

15 ns @ 5 V

Height

4.57mm

Width

6.35mm

Minimum Operating Supply Voltage

4.75 V

Maximum Operating Temperature

+70 °C

Propagation Delay Test Condition

45pF

Minimum Operating Temperature

0 °C

Dimensions

24.33 x 6.35 x 4.57mm

Length

24.33mm

Maximum Operating Supply Voltage

5.25 V

Product details

74LS Family Bus Transceivers, Texas Instruments

Texas Instruments range of Bus Transceivers from the 74LS Family of Low Power Schottky Logic ICs. The 74LS Family use bipolar junction technology coupled with Schottky diode clamps to achieve operating speeds equal to the original 74TTL family but with much lower power consumption.

74LS Family