CD74HC646M96 datasheet(6/14 Pages) TI1

部件名	CD74HC646M96

功能描述	High-Speed CMOS Logic Octal Bus Transceiver/Register, Three-State

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制造商	TI1 [Texas Instruments]

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6

Test Circuits and Waveforms

NOTE: Outputs should be switching from 10% VCC to 90% VCC in

accordance with device truth table. For fMAX, input duty cycle = 50%.

FIGURE 1. HC CLOCK PULSE RISE AND FALL TIMES AND

PULSE WIDTH

FIGURE 2. HC TRANSITION TIMES AND PROPAGATION

DELAY TIMES, COMBINATION LOGIC

FIGURE 3. HC SETUP TIMES, HOLD TIMES, REMOVAL TIME,

AND PROPAGATION DELAY TIMES FOR EDGE

TRIGGERED SEQUENTIAL LOGIC CIRCUITS

FIGURE 4. HC THREE-STATE PROPAGATION DELAY

WAVEFORM

NOTE:

Open drain waveforms tPLZ and tPZL are the same as those for three-state shown on the left. The test circuit is Output RL =1kΩ to

VCC, CL = 50pF.

FIGURE 5. HC THREE-STATE PROPAGATION DELAY TEST CIRCUIT

CLOCK

90%

50%

10%

GND

VCC

trCL

tfCL

50%

tWL

tWH

10%

tWL + tWH =

fCL

I

tPHL

tPLH

tTHL

tTLH

90%

50%

10%

50%

10%

INVERTING

OUTPUT

INPUT

GND

VCC

tr = 6ns

tf = 6ns

90%

trCL

tfCL

GND

VCC

GND

VCC

50%

90%

10%

GND

CLOCK

INPUT

DATA

INPUT

OUTPUT

SET, RESET

OR PRESET

VCC

50%

90%

10%

50%

90%

tREM

tPLH

tSU(H)

tTLH

tTHL

tH(L)

tPHL

IC

CL

50pF

tSU(L)

tH(H)

50%

10%

90%

GND

VCC

10%

90%

50%

OUTPUT

DISABLE

OUTPUT LOW

TO OFF

OUTPUT HIGH

TO OFF

OUTPUTS

ENABLED

OUTPUTS

DISABLED

OUTPUTS

ENABLED

6ns

tPZH

tPHZ

tPZL

tPLZ

IC WITH

THREE-

STATE

OUTPUT

OTHER

INPUTS

TIED HIGH

OR LOW

OUTPUT

DISABLE

VCC FOR tPLZ AND tPZL

GND FOR tPHZ AND tPZH

OUTPUT

RL = 1kΩ

CL

50pF

CD74HC646

类似零件编号 - CD74HC646M96

制造商	部件名	数据表	功能描述
Texas Instruments	CD74HC646	245Kb / 8P	[Old version datasheet] HIGH-SPEED CMOS LOGIC(OCTAL BUS TRANSCEIVER/REGISTER,3-STATE)

More results

类似说明 - CD74HC646M96

制造商	部件名	数据表	功能描述
Texas Instruments	CD54-74HC646	245Kb / 8P	[Old version datasheet] HIGH-SPEED CMOS LOGIC(OCTAL BUS TRANSCEIVER/REGISTER,3-STATE)
	CD54HCT640	268Kb / 11P	[Old version datasheet] High-Speed CMOS Logic Octal Three-State Bus Transceiver, Inverting
	CD74HC652	139Kb / 13P	[Old version datasheet] High-Speed CMOS Logic Octal-Bus Transceiver/Registers, Three-State
	CD74HC640	37Kb / 8P	[Old version datasheet] High Speed CMOS Logic Octal Three-State Bus Transceiver, Inverting
	CD74HC652	72Kb / 12P	[Old version datasheet] High-Speed CMOS Logic Octal-Bus Transceiver/Registers, Three-State
	CD54HC640	275Kb / 12P	[Old version datasheet] High-Speed CMOS Logic Octal Three-State Bus Transceiver, Inverting
	CD54HC245	853Kb / 17P	[Old version datasheet] High-Speed CMOS Logic Octal-Bus Transceiver, Three-State, Non-Inverting
	CD54HC245	37Kb / 7P	[Old version datasheet] High Speed CMOS Logic Octal-Bus Transceiver, Three-State, Non-Inverting
	CD54HC245	261Kb / 12P	[Old version datasheet] High-Speed CMOS Logic Octal-Bus Transceiver, Three-State, Non-Inverting
	CD74FCT646	54Kb / 8P	[Old version datasheet] BiCMOS FCT Interface Logic, Octal Bus Transceiver/Register, Three-State

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CD74HC646M96 数据表(PDF) 6 Page - Texas Instruments

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CD74HC646M96 数据表(PDF) 6 Page - Texas Instruments

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