CAT25C32X データシートの表示（PDF） - Catalyst Semiconductor => Onsemi

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CAT25C32X

Supervisory Circuits with SPI Serial E2PROM, Precision Reset Controller and Watchdog Timer

Catalyst Semiconductor => Onsemi 

Advanced

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)

(25CXXX-45)

4.50 4.75

Reset Threshold (Vcc=5V)

(25CXXX-42)

4.25 4.50

Reset Threshold (Vcc=3.3V)

(25CXXX-30)

3.00 3.15

Reset Threshold (Vcc=3.3V)

(25CXXX-28)

2.85 3.00

Reset Threshold (Vcc=3V)

(25CXXX-25)

2.55 2.70

Reset Threshold (Vcc=1.8V)

(25CXXX-17)

1.70 1.80

Power-Up Reset Timeout

130

270

VTH to RESET Output Delay

5

RESET Output Valid

1

Units

ns

mV

V

V

V

ms

µs

V

CAT25CXXX

Figure 9. RESET Output Timing

VTH

VRVALID

VCC

t

GLITCH

tPURST

t RPD

tPURST

RESET

t RPD

RESET

9-105

Stock No. 21085-01 4/98

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