DS2175
AC ELECTRICAL CHARACTERISTICS
(0°C TO 70°C; VDD=5V±10%)
PARAMETER
RCLK Period
SYMBOL
tRCLK
MIN
TYP
MAX
UNITS
ns
NOTES
200
RCLK, SYSCLK Rise and
Fall Times
tR, tF
20
ns
RCLK Pulse Width
tRWH,
tRWL
tSWH,
tSWL
tSYSCLK
tSC
100
100
ns
ns
SYSCLK Pulse Width
SYSCLK Period
RMSYNC Setup to RCLK
Falling
SFSYNC Setup to
SYSCLK Falling
RMSYNC, SFSYNC,
200
20
ns
ns
tRWH-5
tSWH-5
tSC
20
50
ns
ns
tPW
ALN Pulse Width
RSER Setup from RCLK
Falling
RSER Hold from RCLK
Falling
Propagation Delay
SYSCLK to SSER
Propagation Delay
SYSCLK to SMSYNC
High
tSD
tHD
tPVD
tPSS
50
50
ns
ns
ns
ns
75
75
Propagation Delay
SYSCLK or RCLK to
tPS
100
ns
ns
SLIP Low, FSD
Low/High
tSR
500
ALN Setup to SFSYNC
Rising
NOTES:
1. Measured at VIH =2.0V, VIL –0.8V, and 10 ns maximum rise and fall times.
2. Output load capacitance = 100 pF.
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DALLAS [ DALLAS SEMICONDUCTOR ]
