74HCT4520DB View Datasheet(PDF) - NXP Semiconductors.

Part Name

Description

MFG CO.

74HCT4520DB

Dual 4-bit synchronous binary counter

NXP Semiconductors. 

Nexperia

74HC4520; 74HCT4520

Dual 4-bit synchronous binary counter

7. Functional description

Table 3.

nCP0



L



X



H

X

Function table[1]

nCP1

H



X



L



X

nMR

L

L

L

L

L

L

H

Mode

counter advances

counter advances

no change

no change

no change

no change

nQ0 to nQ3 = LOW

[1] H = HIGH voltage level; L = LOW voltage level; X = don’t care;  = positive-going transition;  = negative-going transition.

8. Limiting values

Table 4. Limiting values

In accordance with the Absolute Maximum Rating System (IEC 60134). Voltages are referenced to GND (ground = 0 V).

Symbol

Parameter

Conditions

Min

Max Unit

VCC

IIK

IOK

IO

ICC

IGND

Tstg

Ptot

supply voltage

input clamping current

output clamping current

output current

supply current

ground current

storage temperature

total power dissipation

VI < 0.5 V or VI > VCC + 0.5 V

VO < 0.5 V or VO > VCC + 0.5 V

VO = 0.5 V to VCC + 0.5 V

SO16 and (T)SSOP16 package

0.5

-

-

-

-

50

65

[1]

-

+7.0 V

20 mA

20 mA

25 mA

50 mA

-

mA

+150 C

500 mW

[1] For SO16 package: above 70 C the value of Ptot derates linearly at 8 mW/K.

For (T)SSOP16 packages: above 60 C the value of Ptot derates linearly at 5.5 mW/K.

74HC_HCT4520

Product data sheet

All information provided in this document is subject to legal disclaimers.

Rev. 4 — 10 May 2016

© Nexperia B.V. 2017. All rights reserved

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