Owner manual

DS2151Q
022697 44/46
AC CHARACTERISTICS – TRANSMIT SIDE (0°C to 70°C; V
DD
=5V + 5%)
(–40°C to +85°C for DS2151QN)
PARAMETER SYMBOL MIN TYP MAX UNITS NOTES
TCLK Period t
P
648 ns
TCLK Pulse Width t
CH
t
CL
75
75
ns
ns
TSER and TLINK Set Up to TCLK
Falling
t
SU
25 ns 1
TSER and TLINK Hold from
TCLK Falling
t
HD
25 ns 1
TSYNC Setup to TCLK Falling t
SU
25 t
CH
–5
TSYNC Pulse Width t
PW
50
TCLK Rise/Fall Times t
R
, t
F
25 ns
Delay TCLK to TCHCLK t
D1
10 60 ns
Delay TCLK to TCHBLK t
D2
10 70 ns
Delay TCLK to TSYNC t
D3
10 60 ns
Delay TCLK to TLCLK t
D4
10 60 ns
NOTE:
1. If the transmit side elastic store is enabled, then TSER is sampled on the falling edge of SYSCLK and the parame-
ters t
SU
and t
HD
still apply.