TS3005 datasheet(9/11 Pages) TOUCHSTONE

Nome de Peças	TS3005

Descrição Electrónicos	A 1.55V to 5.25V, 1.35uA, 1.7ms to 33hrs Silicon Timer

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Fabricante Electrônico	TOUCHSTONE [Touchstone Semiconductor Inc]

Página de início	http://www.touchstonesemi.com

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9 / 11 page

TS3005

TS3005DS r1p0

Page 9

RTFDS

capacitance at either or both FOUT and PWMOUT

terminals is to be ≤5p , then the value of C

EXT should

be ≤7.5p .

TS3005 Start-up Time

As the TS3005 is powered up, its FOUT terminal

(and PWMOUT terminal, if enabled) is active once

the applied VDD is higher than 1.55V. Once the

applied VDD is higher than 1.55V, the master

oscillator

achieves

steady-state operation

within

18ms.

5 Weeks and 5 Days Counter Circuit with TS3005

The TS3005 can be configured into a 5 Weeks and 5

Days counter as shown in Figure 2. The circuit is

composed of a TS3005 timer and a dual 74VHC393

4-bit counter. The TS3005 divider inputs are set to

FDIV2:0 = 111. With an RSET of 11

MΩ, the FOUT

period is approximately 30 hours. The complete

circuit

consumes

approximately

4.5µA

and

is

powered with a single 3V CR2032 lithium button cell

battery. If a shorter period is desired, a 10 day period

is available via output 1QD.

Divide the PWMOUT Output Frequency by Two

with the TS3005

Using a single resistor and capacitor, the TS3005 can

be configured to a divide by two circuit as shown in

Figure 3. To achieve a divide by two function with the

TS3005, the pulse width of the PWMOUT output

must be at least a factor of 2 greater than the period

set at FOUT by resistor RSET. The CPWM capacitor

selected must meet this pulse width requirement and

can be calculated using Equation 2. In Figure 3, a

value of

4.32MΩ for RS T sets the

O T output

period to 20.5ms. A CPWM capacitor of 0.1µF was

chosen, which sets the pulse width of PWMOUT to

Figure 3: Configuring the TS3005 into a Divide by

Two Frequency Divider

Figure 2: 5 Weeks and 5 Days Counter Circuit

Nº de peça semelhante - TS3005

Fabricante Electrônico	Nome de Peças	Folha de dados	Descrição Electrónicos
Silicon Laboratories	TS3005	1Mb / 12P	Single Resistor Sets Output Frequency
Touchstone Semiconducto...	TS3005DB	346Kb / 4P	A 1.55V to 5.25V, 1.35關A, 1.7ms to 33hrs Silicon Timer
Silicon Laboratories	TS3005ITD1033	1Mb / 12P	Single Resistor Sets Output Frequency
Silicon Laboratories	TS3005ITD1033T	1Mb / 12P	Single Resistor Sets Output Frequency

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Descrição semelhante - TS3005

Fabricante Electrônico	Nome de Peças	Folha de dados	Descrição Electrónicos
Touchstone Semiconducto...	TS3005DB	346Kb / 4P	A 1.55V to 5.25V, 1.35關A, 1.7ms to 33hrs Silicon Timer
	TS3003	868Kb / 10P	A 1.55V to 5.25V, 10kHz to 300kHz Silicon Timer
	TS3006DB	305Kb / 3P	A 1.55V to 5.25V, 1.9A, 9kHz to 300kHz Silicon Timer
	TS3003DB	332Kb / 4P	A 1.55V to 5.25V, 1.9A, 9kHz to 300kHz Silicon Timer
	TS3006	641Kb / 9P	A 1.55V to 5.25V, 1.9uA, 9kHz to 300kHz Silicon Timer
	TS3004	835Kb / 11P	A 1.55V to 5.25V, 1.9uA, 3.3us to 233s Silicon Timer
	TS3002	889Kb / 11P	A 1V/1uA Easy-to-Use Silicon Oscillator/Timer
Maxim Integrated Produc...	MAX5498EVKIT	313Kb / 13P	2.7V to 5.25V Single-Supply Operation Rev 1; 12/08
	MAX3524EVKIT	151Kb / 5P	4.75V to 5.25V Single-Supply Operation Rev 0; 12/00
	MAX98307EVKIT	1Mb / 7P	2.6V to 5.25V Single-Supply Operation 19-5985; Rev 0; 7/11

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TS3005 Folha de dados(PDF) 9 Page - Touchstone Semiconductor Inc

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