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Details, datasheet, quote on part number:SN74247N
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Datasheet text preview:
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T TL BCD-TO-SEVEN-SEGMENT DECODER/DRIVER (OPEN COLLECTOR OUTPUT)
--TOP VIEW--
I SN74247N L00
C1 B2 L B 3 T4 I/RBO 5 R BI 6 D A7 8 GND
VCC 16 f
1 7 B A C D L RT b a c d e f g 13 12 11 9 0 1 15 4 f e d a g b c
15 g 14 a 13 b 12 c 11 d 9e 0
2 6 3 5
BI BI/RBO 4
B LT ; LAMP TEST RI/RBO ; BLANKING IN/ RIPPLE BLANKING OUT ; RIPPLE BLANKING IN BI
LT R0 I 1 B 1 X 1 X 1 X 1 X 1 X 1 X 1 X 1 X 1 X 1 X 1 X 1 X 1 X 1 X 1 X X X 1 0 0 X 1 1
INPUTS C 0 0 0 0 0 0 0 0 1 0 0 1 0 1 0 1 1 0 1 0 0 1 0 1 1 1 1 1 1 1 1 1 X X 0 0 X X 0 0 D
B 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 X 0 X 0
A 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 X 0 X 0
BI/RBO 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 0 1 1 *
0 a 1 0 0 1 0 0 0 0 0 1 1 1 0 1 1 1 1 0 1
0 b 0 0 0 0 1 1 0 0 0 1 1 0 1 1 1 1 1 0 1
OUTPUTS 0 e 0 d 0 c 1 1 0 0 0 1 1 0 0 1 1 0 1 0 0 0 0 0 1 0 1 0 0 0 1 0 0 0 1 0 1 0 0 1 1 1 1 0 1 0 0 1 1 1 1 1 1 1 1 1 1 0 0 0 1 1 1
( DISPLAY 0 f 1 1 1 0 0 0 1 0 0 1 1 0 0 0 1 1 1 0 1 1 g 1 0 0 0 0 0 1 0 0 0 0 0 0 0 1 1 1 0 1
HEXADECIMAL)
DECIMAL 1 0 2 3 4 5 6 7 8 9 1 10 11 12 13 14 15 15 8 5 1 5
BLANK BLANK BLANK LANK
*
When RBI and inputs A, B, C and D are at a low "0" level with the LT input high "H", all segment outputs go off ("1") and the RBO goes to a low "0" level (response condition).
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