Datasheet > 74AHC1G4212GW

74AHC1G4212GW

更新时间： 2024-11-02 01:21:47

品牌	Logo	应用领域
安世 - NEXPERIA		/
页数	文件大小	规格书
11页	201K
描述
12-stage divider and oscillator

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74AHC1G4212GW 数据手册

74AHC1G4212

12-stage divider and oscillator

Rev. 4 — 27 June 2019

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. Features and benefits

•

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

ESD protection:

•

HBM JESD22-A114F: exceeds 2000 V

CDM JESD22-C101E: exceeds 1000 V

•

Latch-up performance exceeds 100 mA per JESD 78 Class II

Specified from -40 °C to +85 °C and from -40 °C to +125 °C

3. Ordering information

Table 1. Ordering information

Type number

Package

Temperature range Name

Description

Version

74AHC1G4212GW

-40 °C to +125 °C

TSSOP5

plastic thin shrink small outline package;

5 leads; body width 1.25 mm

SOT353-1

4. Marking

Table 2. Marking codes

Type number

Marking[1]

74AHC1G4212GW

[1] The pin 1 indicator is located on the lower left corner of the device, below the marking code.

12 3 4 5 6 7...11

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