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74ACT16254

Features: Member of the Texas Instruments WidebusTM FamilyLatch-Up Performance Exceeds 500 mA Per JEDEC Standard JESD-17Bus-Hold Inputs Eliminate the Need for External Pullup ResistorsTypical VOLP (Output Ground Bounce) < 0.8 V at VCC = 5 V, TA = 25°CDistributed VCC and GND Pin Configuration Mi...

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74ACT16254: Features: Member of the Texas Instruments WidebusTM FamilyLatch-Up Performance Exceeds 500 mA Per JEDEC Standard JESD-17Bus-Hold Inputs Eliminate the Need for External Pullup ResistorsTypical VOLP (...

74ACT16254 Data Sheet

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Part Number:
74ACT16254
Supply Ability:
5000

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

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Product Details

Description



Features:

 Member of the Texas Instruments WidebusTM Family
 Latch-Up Performance Exceeds 500 mA Per JEDEC Standard JESD-17
 Bus-Hold Inputs Eliminate the Need for External Pullup Resistors
 Typical VOLP (Output Ground Bounce) < 0.8 V at VCC = 5 V, TA = 25°C
 Distributed VCC and GND Pin Configuration Minimizes High-Speed Switching Noise
 Packaged in Plastic Thin Shrink Small-Outline (DGG) Package


Pinout

Connection Diagram


Specifications

Supply voltage range, VCC. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.5 V to 7 V
Input voltage range, VI (see Note 1)  . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  . . ..0.5 V to VCC + 0.5 V
Output voltage range, VO (see Note 1)  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .0.5 V to VCC + 0.5 V
Current into any output in the low state, IO  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  . . .. .  .50 mA
Input clamp current, IIK (VI < 0)  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .50 mA
Output clamp current, IOK (VO < 0)  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  . . . .50mA
Continuous current through VCC or GND  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±100 mA
Maximum power dissipation at TA = 55°C (in still air) (see Note 2)  . . . . . . . . . . . . . . . . . .. . . . . . . .1 W
Storage temperature range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. .65°C to 150°C


Description

The 74ACT16254 is a dual 16-bit, noninverting bus-interface device. The A and C ports perform a transceiver function, like that of the 74ACT245. The B and C ports perform the buffer/driver function of the 74ACT244. The A and C port outputs are designed to sink up to 12 mA.

The 74ACT16254 is designed for asynchronous communication between data buses. The control function implementation minimizes external timing requirements.

Data transmission from the A port to the C port, C port to A port, or B port to C port is accomplished by setting the appropriate logic levels on the bus enable (EN1 and EN2) inputs.

All outputs are disabled when logic highs are placed on both EN1 and EN2; the buses are effectively isolated.

The 74ACT16254 is packaged in TI's thin shrink small-outline package (DGG), which provides twice the I/O pin count and functionality of standard small-outline packages in the same printed-circuit-board area.

Active bus-hold circuitry is provided to hold unused or floating data and I/O pins at a valid logic level.

The 74ACT16254 is characterized for operation from 40°C to 85°C.




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