Rainbow Electronics DS2141A - Manual (Page 33)

DS2141A
021997 33/35
AC CHARACTERISTICS – TRANSMIT SIDE (0 ° C to 70 ° C; V
DD
= 5V + 10%)
PARAMETER SYMBOL MIN TYP MAX UNITS NOTES
TCLK Period t
P
648 ns
TCLK Pulse Width t
CH
t
CL
50
50
ns
ns
TSER, TSYNC, TLINK Setup to
TCLK Falling t
SU
25 ns
TSER, TLINK Hold from TCLK
Falling t
HD
25 ns
TCLK Rise/Fall Times t
R
, t
F
25 ns
Data Delay t
DD
75 ns
TSYNC Pulse Width t
PW
50 ns
TRANSMIT SIDE AC TIMING
TCLK
TPOS,
TNEG
TSER
TCHCLK
TCHBLK
TSYNC 1
TSYNC 2
TLCLK
TLINK
t
R
t F
t
DD
t CL
t P
t CH
t
SU
t
HD
t DD
t DD
t
DD
t PW
t
SU
t
DD
t HD
t
SU
F–BIT
NOTES:
1. TSYNC is in the output mode (TCR2.2=1).
2. TSYNC is in the input mode (TCR2.2=0).