74HC393D datasheet(9/21 Pages) NXP

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74HC_HCT393

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Product data sheet

Rev. 4 — 16 May 2013

9 of 21

NXP Semiconductors

74HC393; 74HCT393

Dual 4-bit binary ripple counter

fclk(max)

maximum

clock

frequency

see Figure 9

VCC = 2.0 V

MHz

VCC = 4.5 V

MHz

VCC = 5 V; CL = 15 pF

MHz

VCC = 6.0 V

107

MHz

CPD

power

dissipation

capacitance

CL =50pF;f=1 MHz;

VI =GND to VCC

[3]

-23

74HCT393

tpd

propagation

delay

nCP to nQ0; see Figure 9

[1]

VCC = 4.5 V

VCC =5V; CL =15pF

nQx to nQ(x

1);

see Figure 9

[1]

VCC = 4.5 V

VCC =5V; CL =15pF

tPHL

HIGH to

LOW

propagation

delay

nMR to nQx; see Figure 10

VCC = 4.5 V

VCC =5V; CL =15pF

transition

time

Qn; see Figure 9

[2]

VCC = 4.5 V

pulse width

nCP HIGH or LOW;

see Figure 9

VCC = 4.5 V

nMR HIGH; see Figure 10

VCC = 4.5 V

trec

recovery

time

nMR to nCP;

see Figure 10

VCC = 4.5 V

fclk(max)

maximum

clock

frequency

see Figure 9

VCC = 4.5 V

MHz

VCC =5V; CL =15pF

MHz

Table 7.

Dynamic characteristics …continued

Voltages are referenced to GND (ground = 0 V); CL = 50 pF unless otherwise specified; for test circuit see Figure 11.

Symbol Parameter

Conditions

C

40 C to +85 C 40 C to +125 C Unit

Min

Typ

Max

Min

Max

Min

Max

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