DS2188(1998) Просмотр технического описания (PDF) - Dallas Semiconductor -> Maxim Integrated
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DS2188 Datasheet PDF : 11 Pages
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DS2188
AC ELECTRICAL CHARACTERISTICS
(0°C to 70°C; VDD=5V ± 10%)
PARAMETER
SYMBOL MIN
TYP
MAX
UNITS NOTES
RCLK Period
RCLK Pulse Width
RCLK Rise and Fall Times
RPOS, RNEG Setup to RCLK
RPOS, RNEG Hold from RCLK
Propagation Delay from RRCLK
to RRPOS, RRNEG Valid
tP
tWH,tWL
tR, tF
tSD
tHD
tPD
–200
100
50
50
+200
ppm
1
ns
50
ns
ns
ns
50
ns
Propagation Delay from XTAL
OUT to RRCLK
tPDC
50
ns
2
RST Pulse Width
tRST
1
µs
NOTES:
1. The average period of RCLK must be within ±200 ppm of the fundamental frequency of the crystal divided by four.
2. Only valid when the incoming jitter is less than 120 UIpp (BDS=0) or 28 UIpp (BDS=1).
022798 8/11
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