CD54HC4511 Datasheet, PDF(2/17 Page) Texas Instruments – BCD-TO-7 SEGMENT LATCH/DECODER/DRIVERS

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CD54HC4511 Datasheet, PDF (2/17 Pages) Texas Instruments – BCD-TO-7 SEGMENT LATCH/DECODER/DRIVERS

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CD54HC4511, CD74HC4511, CD74HCT4511

BCDÄTOÄ7 SEGMENT LATCH/DECODER/DRIVERS

SCHS279D â DECEMBER 1998 â REVISED OCTOBER 2003

FUNCTION TABLE

INPUTS

OUTPUTS

LE BL LT D3 D2 D1 D0 a b c d e f g DISPLAY

XX L XXXXHHHHHHH

8

XLHXXXXL L L L L L L

Blank

LHHL L L LHHHHHHL

0

LHHL L LHLHHL L L L

1

LHHL LHLHHLHHLH

2

LHHL LHHHHHHL LH

3

LHHLHL L LHHL LHH

4

L HH L H L HH L HH L HH

5

LHHLHHL L LHHHHH

6

LHHLHHHHHHL L L L

7

LHHHL L LHHHHHHH

8

LHHHL LHHHHL LHH

9

LHHHLHL L L L L L L L

Blank

LHHHLHHL L L L L L L

Blank

LHHHHL L L L L L L L L

Blank

LHHHHLHL L L L L L L

Blank

LHHHHHL L L L L L L L

Blank

LHHHHHHL L L L L L L

HHHXXXX â â â â â â â

Blank

â

X = Donât care

â Depends on BCD code previously applied when LE = L

NOTE: Display is blank for all illegal input codes (BCD > HLLH).

function diagram

LT 3

BCD

Inputs

D0 7

D1 1

D2 2

D3 6

LE 5

BL 4

VSS = 8

VDD = 16

13 a

12 b

11

c

10 d

9e

15 f

14 g

7-Segment

Outputs

2

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