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SN54HCT157

Features:  Inputs Are TTL-Voltage Compatible Buffered Inputs and Outputs Package Options Include Plastic Small-Outline (D) and Ceramic Flat (W) Packages, Ceramic Chip Carriers (FK), and Standard Plastic (N) and Ceramic (J) 300-mil DIPsPinoutSpecificationsSupply voltage range, VCC . . . . . . . ...

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SeekIC No. : 004496928 Detail

SN54HCT157: Features:  Inputs Are TTL-Voltage Compatible Buffered Inputs and Outputs Package Options Include Plastic Small-Outline (D) and Ceramic Flat (W) Packages, Ceramic Chip Carriers (FK), and Standard ...

SN54HCT157 Data Sheet

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Part Number:
SN54HCT157
Supply Ability:
5000

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  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

 Inputs Are TTL-Voltage Compatible
 Buffered Inputs and Outputs
 Package Options Include Plastic Small-Outline (D) and Ceramic Flat (W) Packages, Ceramic Chip Carriers (FK), and Standard Plastic (N) and Ceramic (J) 300-mil DIPs


Pinout

Connection Diagram


Specifications

Supply voltage range, VCC  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.5 V to 7 V
Input clamp current, IIK (VI < 0 or VI > VCC) (see Note 1)  . . . . . . . . . . . . . . . . . . . . . . . . . . .±20 mA
Output clamp current, IOK (VO < 0 or VO > VCC) (see Note 1)  . . . . . . . . . . . . . . . . . . . . . . . ..±20 mA
Continuous output current, IO (VO = 0 to VCC)  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . .±35 mA
Continuous current through VCC or GND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .±70 mA
Package thermal impedance, JA (see Note 2): D package  . . . . . . . . . . . . . . . . . . . . .  . . . . 113°C/W
                                                                          N package  . . . . . . . . . . . . . . . . . . . . . . . . . . 78°C/W
Storage temperature range, Tstg  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. .65°C to 150°C
NOTES: 1. The input and output voltage ratings may be exceeded if the input and output current ratings are observed.
2. The package thermal impedance is calculated in accordance with JESD 51, except for through-hole packages, which use a trace length of zero.


Description

These monolithic data selectors/multiplexers SN54HCT157 contain inverters and drivers to supply full data selection to the four output gates. A separate strobe (G) input is provided. A 4-bit word is selected from one of two sources and is routed to the four outputs.

The SN54HCT157 is characterized for operation over the full military temperature range of 55°C to 125°C. The SN74HCT157 is characterized for operation from 40°C to 85°C.




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