8-line-to-3-line Octal Priority Encoder
HD74LS148
8-line-to-3-line Octal Priority Encoder
REJ03D0437–0200 Rev.2.00
Feb.18.2005
The HD74LS148 encodes eight da...
Description
HD74LS148
8-line-to-3-line Octal Priority Encoder
REJ03D0437–0200 Rev.2.00
Feb.18.2005
The HD74LS148 encodes eight data lines to three-line (4-2-1) binary (octal). Cascading circuitry (enable input EI and enable output EO) has been provided to allow octal expansion without the need for external circuitry. The data inputs and outputs are active at the low logic level.
Features
Ordering Information
Part Name
Package Type
Package Code (Previous Code)
Package Abbreviation
HD74LS148P
DILP-16 pin
PRDP0016AE-B (DP-16FV)
P
HD74LS148FPEL SOP-16 pin (JEITA)
PRSP0016DH-B (FP-16DAV)
FP
Note: Please consult the sales office for the above package availability.
Taping Abbreviation (Quantity) —
EL (2,000 pcs/reel)
Pin Arrangement
41 52 Inputs 6 3 74 EI 5 A2 6 Outputs A1 7 GND 8
4 5 EO
6 GS
73
EI 2
A2
A1 A0
1 0
16 VCC
15 EO Outputs
14 GS
13 3
12 2 11 1
Inputs
10 0
9 A0 Outputs
(Top view)
Rev.2.00, Feb.18.2005, page 1 of 5
HD74LS148
Function Table
Inputs
Outpu...
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