4511 BCD-to-7 Segment Latch/Decoder/Driver

Pin Arrangement

PIN Function LT Lamp Test BI Blank In LE Latch Enable D0 - D3 Data-In a - g 25mAm Source Output Pattern

Truth Table

INPUTS				OUTPUTS
LE	BI'	LT'	D3 - D0	a b c d e f g	DISPLAY
x	x	0	x x x x	1 1 1 1 1 1 1	Lamp Test
x	0	1	x x x x	0 0 0 0 0 0 0	Blank
0 0 0 0	1 1 1 1	1 1 1 1	0 0 0 0 0 0 0 1 0 0 1 0 0 0 1 1	1 1 1 1 1 1 0 0 1 1 0 0 0 0 1 1 0 1 1 0 1 1 1 1 1 0 0 1	0 1 2 3
0 0 0 0	1 1 1 1	1 1 1 1	0 1 0 0 0 1 0 1 0 1 1 0 0 1 1 1	0 1 1 0 0 1 1 1 0 1 1 0 1 1 0 0 1 1 1 1 1 1 1 1 0 0 0 0	4 5 6 7
0 0 0 0	1 1 1 1	1 1 1 1	1 0 0 0 1 0 0 1 1 0 1 0 1 0 1 1	1 1 1 1 1 1 1 1 1 1 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0	8 9 Blank Blank
0 0 0 0	1 1 1 1	1 1 1 1	1 1 0 0 1 1 0 1 1 1 1 0 1 1 1 1	0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0	Blank Blank Blank Blank
1	1	1	x x x x	hold	hold

Electrical Characteristics

Operating Range

VDD	B	UB	H	74HC	Unit
Min	3	-	-	2	V
Max	18	-	-	6	V




Timming

		4511B				74HC4511
Seg. Output		VDD = 5V		VDD = 15V		VDD = 2.0V		VDD = 6.0V		Unit
		typ	max	typ	max	typ	max	typ	max
Rising Time		40	80	25	50	-	-	-	-	nS
Falling Time		125	250	65	130	-	-	-	-	nS
Propagation Delay	LH	640	1280	175	350	300	600	51	102	nS
	HL	720	1440	200	400	300	600	51	102	nS

Reference

4513, 4547