HEF4531 datasheet(4/4 Pages) PHILIPS

Part #	HEF4531

Description	13-input parity checker/generator

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Manufacturer	PHILIPS [NXP Semiconductors]

Direct Link	http://www.nxp.com

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4 / 4 page

January 1995

4

Philips Semiconductors

Product speciﬁcation

13-input parity checker/generator

HEF4531B

MSI

AC CHARACTERISTICS

VSS = 0 V; Tamb =25 °C; CL = 50 pF; input transition times ≤ 20 ns

VDD

V

SYMBOL

TYP. MAX.

TYPICAL EXTRAPOLATION

FORMULA

Propagation delays

I0 to I11 → O

5

145

290

ns

118 ns

+ (0,55 ns/pF) CL

HIGH to LOW

10

tPHL

60

120

ns

49 ns

+ (0,23 ns/pF) CL

15

45

90

ns

37 ns

+ (0,16 ns/pF) CL

5

135

270

ns

108 ns

+ (0,55 ns/pF) CL

LOW to HIGH

10

tPLH

55

110

ns

44 ns

+ (0,23 ns/pF) CL

15

45

90

ns

37 ns

+ (0,16 ns/pF) CL

I12 → 0

5

105

210

ns

78 ns

+ (0,55 ns/pF) CL

HIGH to LOW

10

tPHL

45

90

ns

34 ns

+ (0,23 ns/pF) CL

15

35

70

ns

27 ns

+ (0,16 ns/pF) CL

5

85

170

ns

58 ns

+ (0,55 ns/pF) CL

LOW to HIGH

10

tPLH

35

70

ns

24 ns

+ (0,23 ns/pF) CL

15

25

50

ns

17 ns

+ (0,16 ns/pF) CL

Output transition times

5

60

120

ns

10 ns

+ (1,0 ns/pF) CL

HIGH to LOW

10

tTHL

30

60

ns

9 ns

+ (0,42 ns/pF) CL

15

20

40

ns

6 ns

+ (0,28 ns/pF) CL

5

60

120

ns

10 ns

+ (1,0 ns/pF) CL

LOW to HIGH

10

tTLH

30

60

ns

9 ns

+ (0,42 ns/pF) CL

15

20

40

ns

6 ns

+ (0,28 ns/pF) CL

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HEF4531 Datasheet(PDF) 4 Page - NXP Semiconductors

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