FEATURES
General description
The 74LVC169 is a synchronous presettable 4-bit binary counter which features an internal look-ahead carry circuitry for cascading in high-speed counting applications. Synchronous operation is provided by having all flip-flops clocked simultaneously so that the outputs (pins Q0 to Q3) change simultaneously with each other when so instructed by the count-enable (pins CEP and CET) inputs and internal gating. This mode of operation eliminates the output counting spikes that are normally associated with asynchronous (ripple clock) counters. A buffered clock (pin CP) input triggers the four flip-flops on the LOW-to-HIGH transition of the clock.
Features and benefits
■ 5 V tolerant inputs for interfacing with 5 V logic
■ Wide supply voltage range from 1.2 V to 3.6 V
■ CMOS low power consumption
■ Direct interface with TTL levels
■ Up/down counting
■ Two count enable inputs for n-bit cascading
■ Built-in look-ahead carry capability
■ Presettable for programmable operation
■ Complies with JEDEC standard:
◆ JESD8-7A (1.65 V to 1.95 V)
◆ JESD8-5A (2.3 V to 2.7 V)
◆ JESD8-C/JESD36 (2.7 V to 3.6 V)
■ ESD protection:
◆ HBM JESD22-A114F exceeds 2000 V
◆ MM JESD22-A115-B exceeds 200 V
◆ CDM JESD22-C101E exceeds 1000 V
■ Multiple package options
■ Specified from -40 °C to +85 °C and from -40 °C to +125 °C
NXP Semiconductors enables secure connections and infrastructure for a smarter world, advancing solutions that make lives easier, better and safer. As the world leader in secure connectivity solutions for embedded applications, NXP is driving innovation in the secure connected vehicle, end-to-end security & privacy and smart connected solutions markets. Built on more than 60 years of combined experience and expertise, the company has 45,000 employees in more than 35 countries.
Freescale Semiconductor has been acquired by NXP Semiconductor. Freescale Semiconductor parts are now a part of the NXP family (Dec 2015).