Datasheet > TC74VHC221AFT_12

TC74VHC221AFT_12

更新时间： 2024-11-05 01:06:31

品牌	Logo	应用领域
东芝 - TOSHIBA		/
页数	文件大小	规格书
14页	287K
描述
Dual Monostable Multivibrator

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中文翻译

获取价格

数据手册

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TC74VHC221AFT_12 数据手册

TC74VHC123,221AF/AFT/AFK

TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic

TC74VHC123AF,TC74VHC123AFT,TC74VHC123AFK

TC74VHC221AF,TC74VHC221AFT,TC74VHC221AFK

Dual Monostable Multivibrator

TC74VHC123AF/AFT/AFK

Retriggerble

TC74VHC123AF, TC74VHC221AF

TC74VHC123AFT, TC74VHC221AFT

TC74VHC123AFK, TC74VHC221AFK

Weight

TC74VHC221AF/AFT/AFK Non-Retriggerble

The TC74VHC123A/221A are high speed CMOS

MONOSTABLE MULTIVIBRATOR fabricated with silicon gate

C²MOS technology.

There are two trigger inputs, A input (negative edge), and B

input (positive edge). These inputs are valid for a slow rise/fall

time signal (t = t = 1 s) as they are schmitt trigger inputs. This

device may also be triggered by using CLR input (positive

edge).

After triggering, the output stays in a MONOSTABLE state for

a time period determined by the external resistor and capacitor

(R , C ). A low level at the CLR input breaks this state.

Limits for C and R are:

External capacitor, C : No limit

External resistor, R : V

= 2.0 V more than 5 kΩ

≥ 3.0 V more than 1 kΩ

An input protection circuit ensures that 0 to 5.5 V can be

applied to the input pins without regard to the supply voltage.

This device can be used to interface 5 V to 3 V systems and two

supply systems such as battery back up. This circuit prevents

device destruction due to mismatched supply and input voltages.

Features

•

High speed: t = 8.1 ns (typ.) at V

= 5 V

Low power dissipation

Standby state: 4 μA (max) at Ta = 25°C

Active state: 600 μA (max) at Ta = 25°C

SOP16-P-300-1.27A

: 0.18 g (typ.)

TSSOP16-P-0044-0.65A

VSSOP16-P-0030-0.50

: 0.06 g (typ.)

: 0.02 g (typ.)

•

High noise immunity: V

= V

= 28% V

(min)

NIH

NIL

Power down protection is equipped with all inputs.

∼

Balanced propagation delays: t

pHL

−

pLH

Wide operating voltage range: V

(opr) = 2 to 5.5 V

Pin and function compatible with 74HC123A/221A

2012-02-29

12 3 4 5 6 7...14

中文翻译

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