The datasheet specifies that this counter contains four master-slave flip- flops and additional gating to provide a divide-by-two counter and a. SN74LS (ACTIVE) 4-Bit Binary Counters. Datasheet ( KB). Description click to collapse contents. Each of these monolithic counters contains four. CA. ACTIVE. CDIP. J. 1. TBD. A N / A for Pkg Type. to CA. SNJ54LS90J. CA. ACTIVE. CDIP. J. 1. TBD. A

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National Semiconductor

Questions concerning potential risk applications should be directed to Tl through a local SC sales office. To use their maximum count length decade, divide-by-twelve, or four-bit binary of these counters, the CKB input is connected to the Qa output. Certain applications using semiconductor products may Involve potential risks of death, personal Injury, or severe property or environmental damage “Critical Applications”.

Reference waveforms are shown with clashed lines. In order to minimize risks associated with the customer’s applications, adequate design and operating safeguards should be provided by the daatasheet to minimize Inherent or procedural hazards.

74LS93 Datasheet PDF –

Decade Counters ’92A, ‘LS Search the history of over billion web pages on the Internet. Use of Tl products in such applications requires the written approval of an appropriate Tl officer.


This permits driving the CKB input iA;hile full fan-out capability. Full text of ” IC Datasheet: All of these counters have a gated zero reset and the ’90A and ‘LS90 also have gated set-to-nine Inputs for use in BCD nine’s complement applications.

Specific testing of all parameters of each device is not necessarily performed, except those mandated by government requirements. Pmdinti conform to TV. Voltage values, excepr interemitter voltage, are with respect ro network grounn terminal.

Full text of “IC Datasheet: 74LS93”

R inputs A and B inputs Operating free-air temperature range: Inclusion of Tl products In such applications Is understood to be fully at the risk of the customer.

Input pulses are supplied by a generator having the darasheet characteristics: All diodes are 1N or equivalent. ThJS IS the uolcage datasyeet Tl warrants performance of Its semiconductor products and related software to the specifications applicable at the time of sale In accordance with Tl’s standard warranty. Production procaasing daaa not I’K. The J and K inputs shown without connection are datasheeg reference only arid are functionally at a high ievel.


Input pulses are supplied bv a generator having the following characteristics: Cl includes probe and jig capacitance. Nor does Tl warrant or represent that any license, either express or implied.

Each reset input is tested separately with the other reset at 4. Is granted under any patent right, copyright, mask work right, or other intellectual property right of Tl covering or relating to any combination, machine, or process in which such semiconductor products or services might be or are used. Tl assumes no liability for applications assistance, fatasheet product design, software performance, or infringement of patents or services described herein.

The input count pulses are applied to CKA input and the outputs are as described in the appropriate function table. Testing and other quality control techniques are utilized to the extent Tl deems necessary to support this warranty.

Reference waveforms are shown with dashed lines.