CD74HC4520 datasheet(7/8 Pages) TI

Part #	CD74HC4520

Description	High Speed CMOS Logic Dual Synchronous Counters

Download	8 Pages

Scroll/Zoom	100%

Manufacturer	TI [Texas Instruments]

Direct Link	http://www.ti.com

Logo

7 / 8 page

7

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 7. HC CLOCK PULSE RISE AND FALL TIMES AND

PULSE WIDTH

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

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

FIGURE 8. HCT CLOCK PULSE RISE AND FALL TIMES AND

PULSE WIDTH

FIGURE 9. HC TRANSITION TIMES AND PROPAGATION

DELAY TIMES, COMBINATION LOGIC

FIGURE 10. HCT TRANSITION TIMES AND PROPAGATION

DELAY TIMES, COMBINATION LOGIC

FIGURE 11. HC SETUP TIMES, HOLD TIMES, REMOVAL TIME,

AND PROPAGATION DELAY TIMES FOR EDGE

TRIGGERED SEQUENTIAL LOGIC CIRCUITS

FIGURE 12. HCT SETUP TIMES, HOLD TIMES, REMOVAL TIME,

AND PROPAGATION DELAY TIMES FOR EDGE

TRIGGERED SEQUENTIAL LOGIC CIRCUITS

CLOCK

90%

50%

10%

GND

VCC

trCL

tfCL

50%

tWL

tWH

10%

tWL + tWH =

fCL

I

CLOCK

2.7V

1.3V

0.3V

GND

3V

trCL = 6ns

tfCL = 6ns

1.3V

tWL

tWH

0.3V

tWL + tWH =

fCL

I

tPHL

tPLH

tTHL

tTLH

90%

50%

10%

50%

10%

INVERTING

OUTPUT

INPUT

GND

VCC

tr = 6ns

tf = 6ns

90%

tPHL

tPLH

tTHL

tTLH

2.7V

1.3V

0.3V

1.3V

10%

INVERTING

OUTPUT

INPUT

GND

3V

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)

trCL

tfCL

GND

3V

GND

3V

1.3V

2.7V

0.3V

GND

CLOCK

INPUT

DATA

INPUT

OUTPUT

SET, RESET

OR PRESET

3V

1.3V

90%

10%

1.3V

90%

tREM

tPLH

tSU(H)

tTLH

tTHL

tH(L)

tPHL

IC

CL

50pF

tSU(L)

1.3V

tH(H)

1.3V

CD74HC4518, CD74HC4520, CD74HCT4520

Similar Part No. - CD74HC4520

Manufacturer	Part #	Datasheet	Description
Texas Instruments	CD74HC4520	468Kb / 17P	[Old version datasheet] High-Speed CMOS Logic Dual Synchronous Counters
	CD74HC4520-MIL	468Kb / 17P	[Old version datasheet] High-Speed CMOS Logic Dual Synchronous Counters
	CD74HC4520E	280Kb / 13P	[Old version datasheet] High-Speed CMOS Logic Dual Synchronous Counters
	CD74HC4520E	468Kb / 17P	[Old version datasheet] High-Speed CMOS Logic Dual Synchronous Counters
	CD74HC4520EE4	280Kb / 13P	[Old version datasheet] High-Speed CMOS Logic Dual Synchronous Counters

More results

Similar Description - CD74HC4520

Manufacturer	Part #	Datasheet	Description
Texas Instruments	CD54HC4520	280Kb / 13P	[Old version datasheet] High-Speed CMOS Logic Dual Synchronous Counters
	CD74HC4518	468Kb / 17P	[Old version datasheet] High-Speed CMOS Logic Dual Synchronous Counters
	CD54HC40103	454Kb / 16P	[Old version datasheet] High-Speed CMOS Logic 8-Stage Synchronous Down Counters
	CD54HC40103	158Kb / 12P	[Old version datasheet] High-Speed CMOS Logic 8-Stage Synchronous Down Counters
	CD54HC40103	279Kb / 14P	[Old version datasheet] High-Speed CMOS Logic 8-Stage Synchronous Down Counters
	CD54HC40103	424Kb / 16P	[Old version datasheet] High-Speed CMOS Logic 8-Stage Synchronous Down Counters
	CD74HC40103	45Kb / 9P	[Old version datasheet] High Speed CMOS Logic 8-Stage Synchronous Down Counters
	CD74HC161	65Kb / 10P	[Old version datasheet] High Speed CMOS Logic Presettable Counters
	CD54HCT161	434Kb / 19P	[Old version datasheet] High-Speed CMOS Logic Presettable Counters
	CD54HCT161	285Kb / 16P	[Old version datasheet] High-Speed CMOS Logic Presettable Counters

More results

CD74HC4520 Datasheet(PDF) 7 Page - Texas Instruments

CD74HC4520 Datasheet(HTML) 7 Page - Texas Instruments

Similar Part No. - CD74HC4520

Similar Description - CD74HC4520

Html Pages

1 2 3 4 5 6 7 8

Datasheet Download

Link URL