MAX6723 데이터 시트보기 (PDF) - Maxim Integrated

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MAX6723

Dual/Triple Ultra-Low-Voltage SOT23 µP Supervisory Circuits

Maxim Integrated 

Dual/Triple Ultra-Low-Voltage SOT23 µP

Supervisory Circuits

ELECTRICAL CHARACTERISTICS (continued)

(VCC1 = VCC2 = 0.8V to 5.5V, GND = 0, TA = -40°C to +85°C, unless otherwise noted. Typical values are at TA = +25°C.) (Note 1)

PARAMETER

SYMBOL

CONDITIONS

MIN TYP MAX UNITS

VCC to Reset Output Delay

Reset Timeout Period

tRD

VCC1 = (VTH1+ 100mV) to (VTH1 - 100mV) or

VCC2 = (VTH2 + 75mV) to (VTH2 - 75mV)

D1

D2

D3

tRP

D5

20

µs

1.1

1.65

2.2

8.8

13.2 17.6

140

210

280

ms

280

420

560

D6

560

840 1120

D4

1120 1680 2240

ADJUSTABLE RESET COMPARATOR INPUT (MAX6719/MAX6720/MAX6723–MAX6727)

RSTIN Input Threshold

VRSTIN

611 626.5 642

mV

RSTIN Input Current

IRSTIN

-25

+25

nA

RSTIN Hysteresis

3

mV

RSTIN to Reset Output Delay

tRSTIND

POWER-FAIL INPUT (MAX6728/MAX6729)

VRSTIN to (VRSTIN - 30mV)

PFI Input Threshold

VPFI

PFI Input Current

IPFI

PFI Hysteresis

VPFH

PFI to PFO Delay

tDPF

(VPFI + 30mV) to (VPFI - 30mV)

MANUAL RESET INPUT (MAX6715–MAX6722/MAX6725–MAX6729)

MR Input Voltage

VIL

VIH

MR Minimum Pulse Width

MR Glitch Rejection

MR to Reset Delay

tMR

MR Pullup Resistance

WATCHDOG INPUT (MAX6721–MAX6729)

Watchdog Timeout Period

First watchdog period after reset timeout

tWD

period

Normal mode

WDI Pulse Width

WDI Input Voltage

WDI Input Current

tWDI

VIL

VIH

IWDI

(Note 2)

WDI = 0 or VCC1

22

µs

611 626.5 642

mV

-25

+25

nA

3

mV

2

µs

0.3 ✕ VCC1

V

0.7 ✕ VCC1

1

µs

100

ns

200

ns

25

50

80

kΩ

35

54

72

s

1.12 1.68 2.24

50

ns

0.3 ✕ VCC1

V

0.7 ✕ VCC1

-1

+1

µA

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