CD54HC4511, CD74HC4511, CD74HCT4511

BCDTO7 SEGMENT LATCH/DECODER/DRIVERS

SCHS279D − DECEMBER 1998 − REVISED OCTOBER 2003

8

POST OFFICE BOX 655303

CD74HCT4511

otherwise noted) (see Figure 2)

TA = 25°C

TA = −55°C

TO 125

°C

TA = −40°C

TO 85

°C

UNIT

MIN

MAX

MIN

MAX

MIN

MAX

UNIT

tw

Pulse duration, LE low

16

24

20

ns

tsu

Setup time, BCD inputs before LE

↑

16

24

20

ns

th

Hold time, BCD inputs before LE

↑

5

5

5

ns

CD74HCT4511

switching characteristics over recommended operating free-air temperature range (unless

otherwise noted) (see Figure 2)

PARAMETER

FROM

(INPUT)

TO

(OUTPUT)

LOAD

CAPACITANCE

VCC

TA = 25°C

TA = −55°C

TO 125

°C

TA = −40°C

TO 85

°C

UNIT

PARAMETER

(INPUT)

(OUTPUT)

CAPACITANCE

VCC

MIN

TYP

MAX

MIN

MAX

MIN

MAX

UNIT

Dn

Output

CL = 50 pF

4.5 V

60

90

75

Dn

Output

CL = 15 pF

5 V

25

LE

Output

CL = 50 pF

4.5 V

54

81

68

tpd

LE

Output

CL = 15 pF

5 V

23

ns

tpd

BL

Output

CL = 50 pF

4.5 V

44

66

55

ns

BL

Output

CL = 15 pF

5 V

18

LT

Output

CL = 50 pF

4.5 V

33

50

41

LT

Output

CL = 15 pF

5 V

13

tt

Any

CL = 50 pF

4.5 V

15

22

19

ns

PARAMETER

TYP

UNIT

Cpd†

Power dissipation capacitance

’HC4511

114

pF

Cpd†

Power dissipation capacitance

CD74HCT4511

110

pF

† Cpd is used to determine the dynamic power consumption, per package.

PD = Cpd VCC2 fi + ∑ CL VCC2 fo

where: fi = input frequency

fo = output frequency

CL = output load capacitance

VCC = supply voltage