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74AHC1G4212 - 12-stage divider/oscillator

Description

74AHC1G4212 is a 12-stage divider and oscillator.

It consists of a chain of 12 flip-flops.

Each flip-flop divides the frequency of the previous flip-flop by two, consequently the 74AHC1G4212 counts up to 212 = 4096.

Features

  • Wide supply voltage range from 2.0 V to 5.5 V.
  • Overvoltage tolerant inputs to 5.5 V.
  • High noise immunity.
  • CMOS low power dissipation.
  • Latch-up performance exceeds 100 mA per JESD 78 Class II.
  • ESD protection:.
  • HBM JESD22-A114F: exceeds 2000 V.
  • CDM JESD22-C101E: exceeds 1000 V.
  • Specified from -40 °C to +85 °C and from -40 °C to +125 °C 3. Ordering information Table 1. Ordering information Type number Package Tem.

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74AHC1G4212-Q100 12-stage divider/oscillator
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Full PDF Text Transcription

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74AHC1G4212 12-stage divider and oscillator Rev. 5 — 13 January 2022 Product data sheet 1. General description 74AHC1G4212 is a 12-stage divider and oscillator. It consists of a chain of 12 flip-flops. Each flip-flop divides the frequency of the previous flip-flop by two, consequently the 74AHC1G4212 counts up to 212 = 4096. The single inverting stage (X1 to X2) functions as a crystal oscillator or an input buffer for an external oscillator. When used as a buffer the output X2 should be left floating. The frequency of the output (Q) is the frequency applied to X1 divided by 4096. The divider advances on the negative-going transition of X1. The X1 input is overvoltage tolerant. This feature allows the use of this device as a voltage level translator in mixed voltage environments. 2.
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