DS2188 Просмотр технического описания (PDF) - Dallas Semiconductor -> Maxim Integrated
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DS2188 Datasheet PDF : 10 Pages
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DS2188
AC ELECTRICAL CHARACTERISTICS
Commercial (0°C to 70°C; VDD = 5.0V ± 0%)
Industrial (-40ºC to 85ºC)
PARAMETER
SYMBOL MIN
TYP MAX UNITS NOTES
RCLK Period
-200
+200
ppm
1
RCLK Pulse Width
100
ns
RCLK Rise and Fall Times
50
ns
RPOS, RNEG Setup to RCLK
50
ns
RPOS, RNEG Hold for
50
ns
RCLK
Propagation delay from
RRCLK to RPOS, RRNEG
Valid
50
ns
Propagation delay from
XTAL OUT to RRCLK
50
ns
2
RST Pulse Width
1
µA
NOTES:
1. The average period of RCLK must be within Ù200 ppm of the fundamental frequency of the crystal
divided by four.
2. Only valid when the incoming jitter is less than 120 Ulpp (BDS=0) or 28 Ulpp (BDS=1).
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