DS2175
AC ELECTRICAL CHARACTERISTICS
PARAMETER
RCLK Period
RCLK, SYSCLK Rise and
Fall Times
RCLK Pulse Width
SYSCLK Pulse Width
SYSCLK Period
RMSYNC Setup to RCLK
Falling
SFSYNC Setup to
SYSCLK Falling
RMSYNC, SFSYNC,
ALN
Pulse Width
RSER Setup from RCLK
Falling
RSER Hold from RCLK
Falling
Propagation Delay
SYSCLK to SSER
Propagation Delay
SYSCLK to SMSYNC
High
Propagation Delay
SYSCLK or RCLK to
SLIP
Low, FSD
Low/High
ALN
Setup to SFSYNC
Rising
SYMBOL
t
RCLK
t
R,
t
F
t
RWH,
t
RWL
t
SWH,
t
SWL
t
SYSCLK
t
SC
t
SC
t
PW
t
SD
t
HD
t
PVD
t
PSS
MIN
200
TYP
(0°C TO 70°C; V
DD
=5V±10%)
MAX
20
UNITS
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
75
75
ns
ns
NOTES
100
100
200
20
20
50
50
50
t
RWH
-5
t
SWH
-5
t
PS
100
ns
t
SR
500
ns
NOTES:
1. Measured at V
IH
=2.0V, V
IL
–0.8V, and 10 ns maximum rise and fall times.
2. Output load capacitance = 100 pF.
8 of 12
DALLAS [ DALLAS SEMICONDUCTOR ]
