Datasheet Details
Part number:
SN74LS170, SN74LS170D
Manufacturer:
Motorola
File Size:
107.33 KB
Description:
4 x 4 register file open-collector.
Note:
This datasheet PDF includes multiple part numbers: SN74LS170, SN74LS170D.
Please refer to the document for exact specifications by model.
SN74LS170, SN74LS170D, 4 x 4 REGISTER FILE OPEN-COLLECTOR
4 x 4 REGISTER FILE OPEN-COLLECTOR The TTL / MSI SN54 / 74LS170 is a high-speed, low-power 4 x 4 Register File organized as four words by four bits.
Separate read and write inputs, both address and enable, allow simultaneous read and write operation.
Open-collector outputs make it possible to connect up to 128 outputs in a wired-AND configuration to increase the word capacity up to 512 words.
Any number of these devices can be operated in parallel to generate an n-bit length.
The SN54 / 74LS670
SN74LS170 Features
* 3-state outputs.
* Simultaneous Read/ Write Operation
* Expandable to 512 Words of n-Bits
* Typical Access Time of 20 ns
* Low Leakage Open-Collector Outputs for Expansion
* Typical Power Dissipation of 125 mW CONNECTION DIAGRAM DIP (TOP VIEW) VCC D1 WA WB EW
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