DS2252T
DC CHARACTERISTICS (continued)
(VCC = 5V ±10%, TA = 0°C to +70°C.)
PARAMETER
SYMBOL MIN TYP MAX UNITS NOTES
Reset Trip Point in Stop
Mode
With BAT =
3.0V
With BAT =
3.3V
4.0
4.25
V
1
4.4
4.65
SDI Input High Voltage
VIHS
2.0
VCC
V
1, 2
SDI Input High Voltage
VIHS
2.0
3.5
V
1, 2
SDI Pulldown Resistor
RSDI
25
60
kΩ
AC CHARACTERISTICS
(VCC = 0V to 5V, TA = 0°C to +70°C.)
PARAMETER
SYMBOL MIN
(4.5V < VCC < 5.5V)
tSPR
SDI Pulse Reject (VCC = 0V,
VBAT = 2.9V)
SDI Pulse
Accept
(4.5V < VCC < 5.5V)
(VCC = 0V,
VBAT = 2.9V)
tSPA
10
50
TYP
MAX UNITS NOTES
2
µs
10
4
µs
10
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