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參數(shù)資料
| 型號(hào)： | DM74LS247 |
| 廠商： | Fairchild Semiconductor Corporation |
| 英文描述： | BCD to 7-Segment Decoder/Driver with Open-Collector Outputs |
| 中文描述： | BCD碼到7段解碼器/驅(qū)動(dòng)器，集電極開路輸出 |
| 文件頁(yè)數(shù)： | 1/4頁(yè) |
| 文件大?。?/td> | 81K |
| 代理商： | DM74LS247 |
DM74LS247
BCD to 7-Segment Decoder/Driver with Open-Collector
Outputs
General Description
The ’LS247 has active LOW open-collector outputs guaran-
teed to sink 24 mA. It has the same electrial characteristics
and pin connections as the ’LS47. The only difference is that
the ’LS247 will light the top bar (segment a) for numeral 6
and the bottom bar (segment d) for number 9. For detailed
description and specifications please refer to the ’LS47 data
sheet.
Connection Diagram
Logic Symbol
Pin Names
A0–A3
RBI
LT
BI/RBO
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)
a–g
Dual-In-Line Package
DS009822-1
Order Number DM74LS247M or DM74LS247N
See Package Number M16A or N16E
DS009822-2
V
= Pin 16
GND = Pin 8
March 1998
D
1998 Fairchild Semiconductor Corporation
DS009822
www.fairchildsemi.com
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