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Part Name(s) : 74LS147 SN74LS147 SN74LS147D SN74LS147N SN74LS148 SN74LS148D SN74LS148DR2 SN74LS148M SN74LS148MEL SN74LS148ML1 SN74LS148ML2 SN74LS148N ON-Semiconductor
ON Semiconductor
Description : 10-LINE TO 4-LINE AND 8-LINE TO 3-LINE PRIORITY ENCODEERS View

The SN74LS147 AND the SN74LS148 are PRIORITY Encoders. They provide PRIORITY decoding of the inputs TO ensure that only the highest order data line is encoded. Both devices have data inputs AND outputs which are active at the low logic level.

 

Part Name(s) : SN54LS147 SN54LS147J SN54LS148 SN54LS148J SN54LS74 SN54LS748 SN54LS748J SN74LS147 SN74LS147D SN74LS147N SN74LS148 SN74LS148D SN74LS148N SN74LS748 SN74LS748D SN74LS748N Motorola
Motorola => Freescale
Description : 10-LINE-TO-4-LINE AND 8-LINE-TO-3-LINE PRIORITY ENCODERS LOW POWER SCHOTTKY View

10-LINE-TO-4-LINE AND 8-LINE-TO-3-LINE PRIORITY ENCODERS

The SN54/74LS147 AND the SN54/74LS148 are PRIORITY Encoders. They provide PRIORITY decoding of the inputs TO ensure that only the highest order dataline is encoded.Both devices have data inputs AND outputs which are active at the low logic level.
TheLS147 encodes nine data lines TO four-line (8-4-2-1) BCD. The implied decimalzero condition does not require an input condition because zero is encoded when all nine data lines are at a high logic level.
TheLS148 encodes eight data lines TO three-line (4-2-1)binary (octal). By providingcascading circuitry (Enable Input EI AND Enable Output EO) octal expansion is allowed without needing external circuitry.

 

 

Part Name(s) : MC54F148 MC54F148J MC74F148 MC74F148D MC74F148N Motorola
Motorola => Freescale
Description : 8-LINE TO 3-LINE PRIORITY encoder View

8-LINE TO 3-LINE PRIORITY ENCODER FAST™ SHOTTKY TTL

The MC54/74F148 provides three bits of binary coded output representing the position of the highest order active input, along with an output indicating thepresence of anyactive input. It is easily expANDed via input AND output enables TO provide PRIORITY encoding over many bits.


• Encodes Eight Data Lines in PRIORITY
• Provides 3-Bit Binary PRIORITY Code
• Input Enable Capability
• Signals When Data Present on Any Input
• Cascadable for PRIORITY Encoding of n Bits

Part Name(s) : CD4014 CD40147BE CD40147BEE4 CD40147BM CD40147BM96 CD40147BM96E4 CD40147BME4 CD40147BMS CD40147BMT CD40147BMTE4 CD40147BNSR CD40147BNSRE4 CD40147BPW CD40147BPWE4 CD40147BPWR CD40147BPWRE4 Intersil
Intersil
Description : 10 Line TO 4 Line BCD PRIORITY Encoder View

Description
CD40147BMS CMOS encoder features PRIORITY encoding of the inputs TO ensure that only the highest order data line is encoded. Ten data input lines (0-9) are encoded TO four line (8,4, 2, 1) BCD. The highest PRIORITY line is line 9. All four output lines are logic 1 (VSS) when all input lines are logic 0. All inputs AND outputs are buffered, AND each output can drive one TTL low power Schottky load. The CD40147BMS is func tionally similar TO the TTL 54/74147 if pin 15 is tied low.

Features
• High Voltage Type (20V Rating)
• Encodes 10 Line TO 4 Line BCD
• Active Low Inputs AND Outputs
• 100% Tested for Quiescent Current at 20V
• 5V, 10V AND 15V Parametric Ratings
• Maximum Input Current of 1µA at 18V Over Full Pack age Temperature Range; 100nA at 18V AND +25oC
• Noise Margin (Over Full Package/Temperature Range) - 1V at VDD = 5V - 2V at VDD = 10V - 2.5V at VDD = 15V
• StANDardized Symmetrical Output Characteristics
• Meets All Requirements of JEDEC Tentative StANDard No. 13B, “StANDard Specifications for Description of ‘B’ Series CMOS Devices”

Applications
• Keyboard Encoding
• 10 Line TO BCD Encoding
• Range Selection


Part Name(s) : HD74LS139 HD74LS139FP HD74LS139P HD74LS139RP HD74LS139FPEL HD74LS139RPEL Renesas
Renesas Electronics
Description : Dual 2-line-TO-4-LINE Decoders / Demultiplexers View

The HD74LS139 comprises two individual two-line-TO-four-line decoder in a single package. The active-low enable input can be used as a data line in demultiplexing applications.

Part Name(s) : ILX538K ETC1
Unspecified
Description : 2-Line Color CCD Linear Sensor with a 1-Line Spacing View

Along with the current rapid growth in the personal computer market, the color image scanner is poised for rapid growth. Although Sony has already developed a line of products for color image scanners, we have now developed a new product TO support A4-size documents at a deusity of 600 DPI : the ILX538K 2-line color linear sensor with a 1-line spacing.

■ 2-line color linear sensor consisting of an R AND B dot-sequential line AND a G line
■ Pixel line spacing of 1 line
■ Analog memory included in the CCD block.
■ Pixel size corresponding TO a 7-µm pitch
■ Ultra-low lag
■ Excellent linearity
■ Built-in clamp circuit
■ Built-in sample-AND-hold circuit

Part Name(s) : HD74HC149 Renesas
Renesas Electronics
Description : 8-TO-8-LINE PRIORITY Encoder View

Description
The HD74HC149 is PRIORITY encoder which has 8 input lines (0 - 7) AND 8 output lies (Y0 - Y7).
It is the logical combination of a HD74HC148 8-3 line PRIORITY encoder driving a HD74HC138 3-8 line decoder.
Only one request output can be low at a time. The output that is low is dependent on the highest PRIORITY request that is low. The order of PRIORITY is 7 highest AND 0 lowest.

Features
• High Speed Operation: tpd (0 - 7 TO Y) = 16 ns typ (CL = 50 pF)
• High Output Current: Fanout of 10 LSTTL Loads
• Wide Operating Voltage: VCC = 2 TO 6 V
• Low Input Current: 1 µA max
• Low Quiescent Supply Current: ICC (static) = 4 µA max (Ta = 25°C)

Part Name(s) : HD74HC149 Hitachi
Hitachi -> Renesas Electronics
Description : 8-TO-8-LINE PRIORITY Encoder View

Description
The HD74HC149 is PRIORITY encoder which has 8 input lines (0 - 7) AND 8 output lies (Y0 - Y7).
It is the logical combination of a HD74HC148 8-3 line PRIORITY encoder driving a HD74HC138 3-8 line decoder.
Only one request output can be low at a time. The output that is low is dependent on the highest PRIORITY request that is low. The order of PRIORITY is 7 highest AND 0 lowest.

Features
• High Speed Operation: tpd (0 - 7 TO Y) = 16 ns typ (CL = 50 pF)
• High Output Current: Fanout of 10 LSTTL Loads
• Wide Operating Voltage: VCC = 2 TO 6 V
• Low Input Current: 1 µA max
• Low Quiescent Supply Current: ICC (static) = 4 µA max (Ta = 25°C)

Part Name(s) : HCF40147B HCF40147BEY HCF40147BM1 HCF40147M013TR STMICROELECTRONICS
STMicroelectronics
Description : 10 TO 4 LINE BCD PRIORITY ENCODER View

DESCRIPTION
HCF40147B is a monolithic integrated circuit fabricated in Metal Oxide SemiconducTOr technology available in DIP AND SOP packages.
HCF40147B, encoder CMOS, features PRIORITY encoding of the inputs TO ensure that only the highest order data line is encoded. Ten data input lines (0-9) are encoded TO four line (8, 4, 2, 1) BCDs.

■ ENCODES 10 LINE TO 4 LINE BCD
■ ACTIVE LOW INPUTS AND OUTPUTS
■ STANDARDIZED, SYMMETRICAL OUTPUT CHARACTERIZATION
■ QUIESCENT CURRENT SPECIFIED UP TO 20V
■ 5V, 10V AND 15V PARAMETRIC RATINGS
■ MAXIMUM INPUT CURRENT OF 1 µA AT 18V OVER FULL PACKAGE TEMPERATURE RANGE; 100 nA AT 18 V AND 25°C
■ NOISE MARGIN (FULL PACKAGE TEMPERATURE RANGE): 1V AT VDD =5V, 2V AT VDD =10V, 2.5V AT VDD = 15V
■ INPUT LEAKAGE CURRENT II = 100nA (MAX) AT VDD = 18V TA = 25°C
■ 100% TESTED FOR QUIESCENT CURRENT
■ MEETS ALL REQUIREMENTS OF JEDEC JESD13B "STANDARD SPECIFICATIONS FOR DESCRIPTION OF B SERIES CMOS DEVICES"

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