74148 PDF Datasheet – 8-3 Line Priority Encoder

Part Number : 74148

Function : 8-3 Line Priority Encoder

Package : DIP 16 Pin Type

Manufactures : National Semiconductor

Images :

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74148 image

 

Description :

The 74148 is 8-3 Line Priority Encoder. This priority encoder utilizes advanced silicon-gate CMOS technology It has the high noise immunity and low power consumption typical of CMOS circuits as well as the speeds and output drive similar to LB-TTL This priority encoder accepts 8 input request lines 0– 7 and outputs 3 lines A0–A2 The priority encoding ensures that only the highest order data line is encoded Cascading circuitry (enable input EI and enable output EO) has been provided to allow octal expansion without the need for external circuitry All data inputs and outputs are active at the low logic level All inputs are protected from damage due to static discharge by internal diode clamps to VCC and ground.

Features

1. Typical propagation delay 13 ns

2. Wide supply voltage range 2V – 6V  […]

 

74148 Datasheet

74148 pdf

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EV1527 PDF – RF Encoder, OTP Encoder, SOP8 ( Datasheet )

Part Number : EV1527

Function : OTP Encoder utilizing CMOS technology process.

Package : SOP, DIP 8 Pin Type

Manufactures : Silvan Chip Electronics

Images :

EV1527 datasheet

Description :

The EV1527 is OTP Encoder utilizing CMOS technology process. EV1527 hai a maximum of 20 bits providing up to 1 million codes.It can reduce any code collision and unauthorized code scanning possibilities. […]

1 page
EV1527 image

 

Features :

1. Compatible : EV1527, RT1527, FP1527
2. CMOS Technology
3. Low stand by Current : 1.0uA
4. Wide range of Operating Voltage : Vcc=3.0~12V
5. Up to 4 data pins
6. Total 1048576 address codes
7. Single Resistor Oscillator
8. Available in DIP and SOP Package

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image

Pinout Information

1. OCSI Oscillator input pull-up R to Vcc I
2. Vcc Positive power supply
3. GND Ground
4. Dout Data output pin O
5. K0 Data input with pull-low R I
6. K1 Data input with pull-low R I
7. K2 Data input with pull-low R I
8. K3 Data input with pull-low R I

EV1527 Datasheet

EV1527 pdf

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