DS21372
20 of 22
AC CHARACTERISTICS - RECEIVE SIDE
(0
0
C TO 70
0
C FOR DS21372; V
DD
=3.3V±10%)
-40
0
C to +85
0
C for DS21372N; V
DD
=3.3V±10%)
PARAMETER SYMBOL MIN TYP MAX UNITS NOTES
RCLK Period t
CP
50 ns
RCLK Pulse Width t
CH
t
CL
8
8
ns
ns
RDATA Set Up to RCLK Rising t
SU1
5ns
RDATA Hold from RCLK Rising t
HD1
0ns
RDIS Set Up to RCLK Rising t
SU2
5ns
RDIS Hold from RCLK Rising t
HD2
0ns
RL and LC Pulse Width t
WRL
25 ns
RCLK Rise and Fall Times t
R
, t
F
10 ns 1
AC CHARACTERISTICS - TRANSMIT SIDE
(0
0
C to 70
0
C for DS21372; V
DD
=3.3V±10%)
-40
0
C to +85
0
C for DS21372N; V
DD
=3.3V±10%)
PARAMETER SYMBOL MIN TYP MAX UNITS NOTES
TCLK Period t
CP
50 ns
TCLK Pulse Width t
CH
t
CL
8
8
Ns
ns
TDATA Delay from TCLK Rising t
DD
30 ns
TDIS Set Up to TCLK Rising t
SU
5ns
TDIS Hold from TCLK Rising t
HD
0ns
TL Pulse Width t
WTL
15 ns
TL Set Up to TCLK Rising t
STL
5ns
TL Hold Off from TCLK Rising t
HTL
0ns
TCLK Rise and Fall Time t
R
, t
F
10 ns 1
NOTE:
1. The maximum rise and fall time is either 10 ns or 10% of t
CP
whichever is less.