DS1388Z-5 データシートの表示（PDF） - Maxim Integrated

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DS1388Z-5

I2C RTC/Supervisor with Trickle Charger and 512 Bytes EEPROM

Maxim Integrated 

I2C RTC/Supervisor with Trickle Charger

and 512 Bytes EEPROM

POWER-UP/POWER-DOWN CHARACTERISTICS

(TA = -40°C to +85°C) (Note 1) (Figures 1, 2)

PARAMETER

SYMBOL

CONDITIONS

VCC Detect to Recognize Inputs

(VCC Rising)

VCC Fall Time; VPF(MAX) to VPF(MIN)

VCC Rise Time; VPF(MIN) to VPF(MAX)

tRST

(Note 17)

tF

tR

MIN TYP MAX UNITS

160 180

ms

300

µs

0

µs

VCC

VPF(MAX)

VPF(MIN)

VPF

tF

RST

INPUTS

RECOGNIZED

OUTPUTS

VALID

Figure 1. Power-Up/Down Timing

RST

PBDB

tRST

Figure 2. Pushbutton Reset Timing

VPF

tR

tRPU

tRST

DON'T CARE

HIGH IMPEDANCE

RECOGNIZED

VALID

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