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SN74CBTK32245

Features: ` Member of the Texas Instruments Widebus+ Family` 5- Switch Connection Between Two Ports` TTL-Compatible Input Levels` Ioff Supports Partial-Power-Down Mode Operation`Active-Clamp Undershoot-Protection Circuit on the I/Os Clamps Undershoots Up To −2 V`Flow-Through Architec...

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SeekIC No. : 004498742 Detail

SN74CBTK32245: Features: ` Member of the Texas Instruments Widebus+ Family` 5- Switch Connection Between Two Ports` TTL-Compatible Input Levels` Ioff Supports Partial-Power-Down Mode Operation`Active-Clamp...

SN74CBTK32245 Data Sheet

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Part Number:
SN74CBTK32245
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:

` Member of the Texas Instruments Widebus+ Family
` 5- Switch Connection Between Two Ports
` TTL-Compatible Input Levels
` Ioff Supports Partial-Power-Down Mode Operation
` Active-Clamp Undershoot-Protection Circuit on the I/Os Clamps Undershoots Up  To −2 V
` Flow-Through Architecture Optimizes PCB Layout
` Latch-Up Performance Exceeds 100 mA Per JESD 78, Class II
` ESD Protection Exceeds JESD 22
− 2000-V Human-Body Model (A114-A)
− 200-V Machine Model (A115-A)
− 1000-V Charged-Device Model (C101)


Specifications

Supply voltage range, VCC . . . . . . . . . . . . . . . . −0.5 V to 7 V
Input voltage range, VI (see Note 1) . . . . . . . . .−0.5 V to 7 V
Continuous channel current . . . . . . . . . . . . . . . . . . . . 128 mA
Input clamp current, IIK (VI/O < 0) . . . . . . . . . . . . . . .−50 mA
Package thermal impedance, JA (see Note 2):
GKE/ZKE package . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40/W
Storage temperature range, Tstg . . . . . .  . . . .−65 to 150 


Description

The SN74CBTK32245 provides 32 bits of high-speed TTL-compatible bus switching. The low on-state resistance of the switch allows connections to be made with minimal propagation delay.

The SN74CBTK32245 A and B ports have an active-clamp undershoot-protection circuit. When there is an undershoot, the active-clamp circuit is enabled and current from VCC is supplied to clamp the output, preventing the pass transistor from turning on.

The SN74CBTK32245 device is organized as four 8-bit bus switches, two 16-bit bus switches, or one 32-bit bus switch. When the output-enable (OE ) input is low, the switch is on and port A is connected to port B. When OE is high, the switch is open and the high-impedance state exists between the two ports.

This SN74CBTK32245 device is fully specified for partial-power-down applications using Ioff. The Ioff circuitry disables the outputs, preventing damaging current backflow through the device when it is powered down.




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