DM74LS47N Fairchild Semiconductor, DM74LS47N Datasheet

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DM74LS47N

Manufacturer Part Number
DM74LS47N
Description
BCD to 7-Segment Decoder/Driver
Manufacturer
Fairchild Semiconductor
Datasheet

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Part Number
Manufacturer
Quantity
Price
Part Number:
DM74LS47N
Manufacturer:
FAIRCHILD/仙童
Quantity:
20 000
© 2000 Fairchild Semiconductor Corporation
DM74LS47M
DM74LS47N
DM74LS47
BCD to 7-Segment Decoder/Driver with
Open-Collector Outputs
General Description
The DM74LS47 accepts four lines of BCD (8421) input
data, generates their complements internally and decodes
the data with seven AND/OR gates having open-collector
outputs to drive indicator segments directly. Each segment
output is guaranteed to sink 24 mA in the ON (LOW) state
and withstand 15V in the OFF (HIGH) state with a maxi-
mum leakage current of 250 A. Auxiliary inputs provided
blanking, lamp test and cascadable zero-suppression func-
tions.
Ordering Code:
Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code.
Logic Symbol
V
GND
Order Number
CC
Pin 16
Pin 8
Package Number
M16A
N16E
16-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-012, 0.150 Narrow
16-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300 Wide
DS009817
Features
Connection Diagram
Pin Descriptions
Note 1: OC—Open Collector
A0–A3
RBI
LT
BI/RBO
a –g
Pin Names
Open-collector outputs
Drive indicator segments directly
Cascadable zero-suppression capability
Lamp test input
Package Description
BCD Inputs
Ripple Blanking Input (Active LOW)
Lamp Test Input (Active LOW)
Blanking Input (Active LOW) or
Ripple Blanking Output (Active LOW)
Segment Outputs (Active LOW) (Note 1)
October 1988
Revised March 2000
Description
www.fairchildsemi.com

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DM74LS47N Summary of contents

Page 1

... Package Number DM74LS47M M16A 16-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-012, 0.150 Narrow DM74LS47N N16E 16-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300 Wide Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code. ...

Page 2

Truth Table Decimal Inputs or Function LT RBI ...

Page 3

Logic Diagram Numerical Designations—Resultant Displays 3 www.fairchildsemi.com ...

Page 4

Absolute Maximum Ratings Supply Voltage Input Voltage Operating Free Air Temperature Range Storage Temperature Range Recommended Operating Conditions Symbol Parameter V Supply Voltage CC V HIGH Level Input Voltage IH V LOW Level Input Voltage IL I HIGH Level Output ...

Page 5

Physical Dimensions inches (millimeters) unless otherwise noted 16-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-012, 0.150 Narrow Package Number M16A 5 www.fairchildsemi.com ...

Page 6

Physical Dimensions inches (millimeters) unless otherwise noted (Continued) 16-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300 Wide Fairchild does not assume any responsibility for use of any circuitry described, no circuit patent licenses are implied and Fairchild reserves the right ...

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