74LS161 DATASHEET PDF

These synchronous, presettable counters feature an inter- nal carry look-ahead for application in high-speed counting designs. The DM74LSA and. 74LS Synchronous 4-bit Binary Counters. These synchronous, presettable counters feature an internal carry look-ahead for application in high-speed. System Logic Semiconductor 74LS datasheet, Synchronous 4 Bit Counters; Binary/ Direct Reset (3-page), 74LS datasheet, 74LS pdf, 74LS

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This synchronous, presettable counter features an internal carry. Load, clock or enable T Reset. Hold time at any input.

74LS161 Datasheet PDF

Low Level Input Voltage. Instrumental in accomplishiing this function are two counter-enable inputs and a ripple carry output. High Level Input Voltage.

Output Short Circuit Current. Enable P or T.

This counter is fully programmable; that is the outputs may be preset to either level. Instrumental in accomplishiing this function are two counter-enable inputs and a ripple carry output. This counter is fully programmable; that is the outputs may be.

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The ripple carry output thus enabled. High Level Output Voltage. Width of reset pulse. Data inputs P0, P1, P2, P3. Propagation Delay, Clock to Ripple carry.

74LS (SLS) PDF技术资料下载 74LS 供应信息 IC Datasheet 数据表 (1/5 页)

Reset outputs to zero. This mode of operation eliminates the output counting spikes that. Propagation Delay, Clock load input high to Any Q. Propagation Delay, Clock load input low to Any Q.

Synchronous operation is provided by having all flip-flops clocked simultaneously so that the outputs change conicident with each other when so instructed by the count-enable inputs and internal gating. High Level Input Current. Propagation Delay, Reset to Any Q.

74LS Datasheet(PDF) – Motorola, Inc

This counter is fully programmable; that is the outputs may be. As presetting is synchronous setting up a low level at the load input disables the counter and causes the outputs to agree with the setup data after the next clock pulse regardless of the levels of the enable inputs. This synchronous, presettable counter features an internal carry. Count to thirteen, fourteen, fifteen, zero, one, and two. The carry look-ahead circuitry provides for cascading counters for.

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Not more than one output should be shorted at a time, and the duration should not exceed one second. Maximum Ratings are those values beyond which damage to the device may occur. As presetting is synchronous setting up a low level at the load input disables the counter and causes the outputs to agree with the setup data after the next clock pulse regardless of the levels of the enable inputs.

Internal Look-Ahead for Fast Counting. Width of clock pulse. Search field Part name Part description. All diodes are 1N or 1N All outputs high V.