24C64 查看數據表（PDF） - Catalyst Semiconductor => Onsemi

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24C64

Supervisory circuits with I2C serial CMOS E2EPROM, precision reset controller and watchdog timer

Catalyst Semiconductor => Onsemi 

CAT24C323/643

RESET CIRCUIT CHARACTERISTICS

Symbol

tGLITCH

VRT

VOLRS

VOHRS

VTH

tPURST

tRPD

VRVALID

Parameter

Min. Max.

Glitch Reject Pulse Width

100

Reset Threshold Hystersis

15

Reset Output Low Voltage (IOLRS=1mA)

0.4

Reset Output High Voltage

Vcc-0.75

Reset Threshold (Vcc=5V)

(24CXXX-45)

4.50 4.75

Reset Threshold (Vcc=5V)

(24CXXX-42)

4.25 4.50

Reset Threshold (Vcc=3.3V)

(24CXXX-30)

3.00 3.15

Reset Threshold (Vcc=3.3V)

(24CXXX-28)

2.85 3.00

Reset Threshold (Vcc=3V)

(24CXXX-25)

2.55 2.70

Power-Up Reset Timeout

130

270

VTH to RESET Output Delay

RESET Output Valid

5

1

Units

ns

mV

V

V

V

ms

µs

V

Advanced

Doc. No. 25084-00 12/98

4

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