DS1602 datasheet(8/8 Pages) MAXIM

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DS1602

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AC ELECTRICAL CHARACTERISTICS

(VCC = +5V ±10%; -40°C to 85°C)

PARAMETER

SYMBOL

MIN

TYP

MAX

UNITS

NOTES

Data to CLK Setup

tDC

CLK to Data Hold

tCDH

CLK to Data Delay

tCDD

200

7, 8, 9

CLK Low Time

tCL

250

CLK High Time

tCH

250

CLK Frequency

fCLK

2.0

MHz

CLK Rise and Fall

tF, tR

500

RST

to CLK Setup

tCC

100

CLK to RST Hold

tCCH

RST

Inactive Time

tCWH

µs

RST

Low to I/O High-Z

tRDZ

CLK High to I/O High- Z

tCDZ

NOTES:

1) All voltages are referenced to ground.

2) Logic 1 voltages are specified at a source current of 1mA.

3) Logic 0 voltages are specified at a sink current of 4mA.

4) ICC is specified with the DQ pin open.

5) ICC1 is specified with VCC at 5.0V and RST = GND.

6) IBAT is specified with VCC < VBAT and VBAT within DC recommended operating conditions.

7) Measured at VIH = 2.0V or VIL = 0.8V.

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

9) Load capacitance = 50pF.

10) Specified as the load capacitance for which the crystal frequency is guaranteed (see crystal

manufacturer’s data sheet).

11) Leakage current is the amount of current consumed from the battery when VCC is not present and the

oscillator is turned off.

12) Using a crystal on X1 and X2.

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