74LS245 3-State Octal Bus Transceiver IC (74245 IC) DIP-20 Package

The 74LS245 octal bus transceivers are designed for asynchronous two-way communication between data buses. The control function implementation minimizes external timing requirements. The device allows data transmission from the A Bus to the B Bus or from the B Bus to the A Bus depending upon the logic level at the direction control (DIR) input. The enable input (G) can be used to disable the device so that the buses are effectively isolated. 

SKU: RW-02394

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Description

The 74LS245 octal bus transceivers are designed for asynchronous two-way communication between data buses. The control function implementation minimizes external timing requirements. The device allows data transmission from the A Bus to the B Bus or from the B Bus to the A Bus depending upon the logic level at the direction control (DIR) input. The enable input (G) can be used to disable the device so that the buses are effectively isolated. 

Features:- 

? Bi-Directional bus transceiver in a high-density 20-pin package 

? 3-STATE outputs drive bus lines directly 

? PNP inputs reduce DC loading on bus lines 

? Hysteresis at bus inputs improve noise margins 

? Typical propagation delay times, port-to-port 8 ns 

? Typical enable/disable times 17 ns

? IOL (sink current) 24 mA 

? IOH (source current) ?15 mA 

Specifications:-

Parameter Specification
Supply Voltage (VCC) 7 V
Input Voltage (VI) 7 V
Operating free-air temperature range 0?C to +70?C 
Storage temperature range ?65?C to +150?C


Related Document:-

 74LS245 IC Datasheet

Additional information

Operating voltage

2.5 3.0V

Pixel Resolution

0.3MP

Photosensitive array

640 x 480

Optical Size

1.6 inch

Angel of view

67 degrees

Maximum Frame Rate

30fps VGA

Sensitivity

1.3V/(Lux-sec)

Dormancy

Less than 20A

Power consumption

60mW/15fpsVGA YUV

Temperature operation Range

-30 C ~ 70 C

Pixel area

3.6 x 3.6 m

Signal to noise ratio (SNR)

46 dB

Dynamic range

52 dB

Specification

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