TLC556MFKR

更新时间： 2024-11-27 13:14:47

品牌	Logo	应用领域
德州仪器 - TI		/
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18页	260K
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TLC556MFKR 数据手册

TLC556, TLC556Y

DUAL LinCMOS TIMERS

SLFS047B – FEBRUARY 1984 – REVISED SEPTEMBER 1997

D, J, OR N PACKAGE

(TOP VIEW)

Very Low Power Consumption . . . 2 mW

Typ at V = 5 V

Capable of Operation in Astable Mode

1 DISCH

1 THRES

1 CONT

1 RESET

1 OUT

CMOS Output Capable of Swinging Rail to

Rail

2 DISCH

2 THRES

2 CONT

2 RESET

2 OUT

High Output-Current Capability

Sink 100 mA Typ

Source 10 mA Typ

1 TRIG

GND

Output Fully Compatible With CMOS, TTL,

and MOS

2 TRIG

Low Supply Current Reduces Spikes

During Output Transitions

FK PACKAGE

(TOP VIEW)

Single-Supply Operation From 2 V to 15 V

Functionally interchangeable With the

NE556; Has Same Pinout

description

20 19

2 THRES

1 CONT

The TLC556 series are monolithic timing circuits

fabricatedusingtheTILinCMOS process, which

provides full compatibility with CMOS, TTL, and

MOS logic and operates at frequencies up to

2 MHz. Accurate time delays and oscillations are

possible with smaller, less-expensive timing

capacitors than the NE556 because of the high

input impedance. Power consumption is low

across the full range of power supply voltages.

1 RESET

2 CONT

2 RESET

1 OUT

9 10 11 12 13

NC–No internal connection

Like the NE556, the TLC556 has a trigger level

approximately one-third of the supply voltage and

athresholdlevelapproximatelytwo-thirdsofthesupplyvoltage. Theselevelscanbealteredbyuseofthecontrol

voltage terminal. When the trigger input falls below the trigger level, the flip-flop is set and the output goes high.

If the trigger input is above the trigger level and the threshold input is above the threshold level, the flip-flop is

reset and the output is low. The reset input can override all other inputs and can be used to initiate a new timing

cycle. If the reset input is low, the flip-flop is reset and the output is low. Whenever the output is low, a

low-impedance path is provided between the discharge terminal and ground.

Whilethe CMOS output is capable of sinking over 100 mA and sourcing over 10 mA, the TLC556 exhibits greatly

reduced supply-current spikes during output transitions. This minimizes the need for the large decoupling

capacitors required by the NE556.

These devices have internal electrostatic-discharge (ESD) protection circuits that prevent catastrophic failures

at voltages up to 2000 V as tested under MIL-STD-883C, Method 3015. However, care should be exercised in

handling these devices, as exposure to ESD may result in degradation of the device parametric performance.

All unused inputs should be tied to an appropriate logic level to prevent false triggering.

The TLC556C is characterized for operation from 0°C to 70°C. The TLC556I is characterized for operation from

–40°C to 85°C. The TLC556M is characterized for operation over the full military temperature range of –55°C

to 125°C.

LinCMOS is a trademark of Texas Instruments Incorporated.

PRODUCTION DATA information is current as of publication date.

Products conform to specifications per the terms of Texas Instruments

standard warranty. Production processing does not necessarily include

testing of all parameters.

POST OFFICE BOX 655303 • DALLAS, TEXAS 75265

12 3 4 5 6 7...18

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与TLC556MFKR相关器件

型号	品牌	获取价格	描述	数据表
TLC556MJ	TI	获取价格	DUAL LinCMOSE TIMERS
TLC556MJB	TI	获取价格	DUAL LinCMOSE TIMERS
TLC556MN	TI	获取价格	DUAL LinCMOSE TIMERS
TLC556Y	TI	获取价格	DUAL LinCMOSE TIMERS
TLC5602	TI	获取价格	VIDEO 8-BIT DIGITAL-TO-ANALOG CONVERTERS
TLC5602ACDW	TI	获取价格	IC,D/A CONVERTER,SINGLE,8-BIT,CMOS,SOP,20PIN
TLC5602ACN	TI	获取价格	IC IC,D/A CONVERTER,SINGLE,8-BIT,CMOS,DIP,18PIN, Digital to Analog Converter
TLC5602ADW	TI	获取价格	PARALLEL, 8 BITS INPUT LOADING, 0.03us SETTLING TIME, 8-BIT DAC, PDSO20
TLC5602C	TI	获取价格	VIDEO 8-BIT DIGITAL-TO-ANALOG CONVERTERS
TLC5602CDW	TI	获取价格	VIDEO 8-BIT DIGITAL-TO-ANALOG CONVERTERS

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