HCF4022BM1 datasheet(5/11 Pages) STMICROELECTRONICS

部件名	HCF4022BM1

功能描述	OCTAL COUNTER WITH 8 DECODED OUTPUTS

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制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

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5 / 11 page

HCF4022B

5/11

DYNAMIC ELECTRICAL CHARACTERISTICS (Tamb = 25°C, CL = 50pF, RL = 200KΩ, tr = tf = 20 ns)

(*) Typical temperature coefficient for all VDD value is 0.3 %/°C.

(1) Measured with respect to carry out line.

Symbol

Parameter

Test Condition

Value (*)

Unit

VDD (V)

Min.

Typ.

Max.

CLOCKED OPERATION

tPLH tPHL Propagation Delay Time

(decode out)

5

325

650

ns

10

135

270

15

85

170

Propagation Delay Time

(carry out)

5

300

600

ns

10

125

250

15

80

160

tTHL tTLH Transition Time (carry out

or decoded out lines)

5

100

200

ns

10

50

100

15

40

80

fCL

(1)

Maximum Clock Input

Frequency

5

2.5

5

MHz

10

5

10

15

5.5

11

tW

Minimum Clock Pulse

Width

5

100

200

ns

10

45

90

15

30

60

tr , tf

Clock Input Rise or Fall

Time

5

unlimited

µs

10

15

tsetup

Data Setup Time Minimum

Clock Inhibit

5

115

230

ns

10

50

100

15

35

75

RESET OPERATION

tPLH, tPHL Propagation Delay Time

(carry out or decoded out

lines)

5

265

530

ns

10

115

230

15

85

170

tW

Minimum Reset Pulse

Width

5

130

260

ns

10

55

110

15

30

60

tREM

Minimum Reset Removal

Time

5

200

400

ns

10

140

280

15

75

150

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