DS1670 datasheet(17/17 Pages) DALLAS

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DS1670 Datasheet(PDF) 17 Page - Dallas Semiconductor

Part #	DS1670

Description	Portable System Controller

Download	17 Pages

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Manufacturer	DALLAS [Dallas Semiconductor]

Direct Link	https://www.maximintegrated.com/en.html

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17 / 17 page

DS1670

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NOTES:

All voltages are referenced to ground.

Logic 1 voltages are specified at VCC =3.3V, VOH =VCC for capacitive loads. Excludes RST pin.

Logic 0 voltages are specified at VCC =3.3V, VOL =GND for capacitive loads.

ICCA is specified with outputs open, CS set to a logic 1, SCLK=500 kHz, oscillator enabled, and D/A

converter enabled.

IADC is specified with CS, VCCO open and I/O, SCLK at logic zero. A/D converter is enabled.

ICCS is specified with CS, VCCO open and I/O, SCLK at logic zero. A/D converter is disabled.

CS has a 40 k

Ω pull-down resistor to ground.

Measured at VIH =2.0V or VIL =0.8V and 10 ns maximum rise and fall time.

Measured at VOH =2.4V or VOL =0.4V.

10. Load capacitance = 50 pF.

11. ICCO =100 mA, VCC > VCCTP.

12. VCCO switchover from VCC to VBAT occurs when VCC drops below the lower of VCCSW and VBAT.

13. Current from VCC input pin to VCCO output pin.

14. Current from VBAT input pin to VCCO output pin.

15. Time base is generated by very accurate crystal oscillator. Accuracy of this time period is based on

the crystal that is used. A typical crystal with a specified load capacitance of 6 pF will provide an

accuracy within ±100 ppm over the 0°C to 70°C temperature range.

16. If the EOSC bit in the Control Register is set to a logic 1, tRPU is equal to 250 ms plus the start-up

time of the crystal oscillator.

Manufacturer	Part #	Datasheet	Description
Maxim Integrated Produc...	DS1670	366Kb / 16P	Portable System Controller REV: 080805
	DS1670E	366Kb / 16P	Portable System Controller REV: 080805
	DS1670E++	366Kb / 16P	Portable System Controller REV: 080805
	DS1670E+TRL	366Kb / 16P	Portable System Controller REV: 080805
	DS1670E/TR	366Kb / 16P	Portable System Controller REV: 080805

Manufacturer	Part #	Datasheet	Description
Dallas Semiconductor	DS1677	162Kb / 17P	Portable System Controller
Dallas Semiconductor	DS1673	216Kb / 20P	Portable System Controller
Maxim Integrated Produc...	DS1677	230Kb / 18P	Portable System Controller REV: 080905
	DS1673	303Kb / 18P	Portable System Controller REV: 080805
	DS1670	366Kb / 16P	Portable System Controller REV: 080805
Dallas Semiconductor	DS1677	549Kb / 18P	Portable System Controller
Dallas Semiconductor	DS1680	335Kb / 23P	Portable System Controller with Touch-Screen Control
Integrated Circuit Syst...	MK3230	68Kb / 4P	Portable System Clock Synthesizer
Ultralife Corporation.	LPAS-320U	2Mb / 2P	Lightweight Portable Amplification System 5/28/14
Motorola, Inc	MC68EZ328	103Kb / 8P	Integrated Portable System Processor

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