datasheets 74ls170 free download

File name 74ls170.pdf

SN54/74LS170 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. 4 x 4 REGISTER FILE Open-collector outputs make it possible to connect up to 128 outputs in a OPEN-COLLECTOR wired-AND configuration to increase the word capacity up to 512 words. Any LOW POWER SCHOTTKY number of these devices can be operated in parallel to generate an n-bit length. The SN54 / 74LS670 provides a similar function to this device but it features 3-state outputs.