參數(shù)資料
型號: DM93L00
文件頁數(shù): 123/158頁
文件大?。?/td> 2668K
代理商: DM93L00
TL/F/10197
9
June 1989
93L21
Dual 1-of-4 Decoder
General Description
The 93L21 consists of two independent multipurpose de-
coders, each designed to accept two inputs and provide
four mutually exclusive outputs. In addition an active LOW
enable input, which gives demultiplexing capability, is pro-
vided for each decoder.
Features
Y
Multifunction capability
Y
Mutually exclusive outputs
Y
Demultiplexing capability
Y
Active low enable for each decoder
Connection Diagram
Dual-In-Line Package
TL/F/10197–1
Order Number 93L21DMQB or 93L21FMQB
See NS Package Number J16A or W16A
Logic Symbol
TL/F/10197–2
V
CC
e
Pin 16
GND
e
Pin 8
Pin Names
Description
Ea, Eb
A0a, A1a, A0b, A1b
O0a–O3a
Enable Inputs (Active LOW)
Address Inputs
Decoder Outputs (Active LOW)
O0b–O3b
C
1995 National Semiconductor Corporation
RRD-B30M105/Printed in U. S. A.
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