Rainbow Electronics DS2165Q - Manual (Page 14)

DS2165/DS2165Q
041295 14/17
SERIAL PORT (0 ° C to 70 ° C; V
DD
=5V + 10%)
AC ELECTRICAL CHARACTERISTICS (V
DD
=3.0V + 20% – 10% for DS2165QL)
PARAMETER SYMBOL MIN TYP MAX UNITS NOTES
SDI to SCLK Set Up t
DC
55 ns 1
SCLK to SDI Hold t
CDH
55 ns 1
SCLK Low Time t
CL
250 ns 1
SCLK High Time t
CH
250 ns 1
SCLK Rise and Fall Time t
R
, t
F
100 ns 1
CS to SCLK Setup t
CC
50 ns 1
SCLK to CS Hold t
CCH
250 ns 1
CS Inactive Time t
CWH
250 ns 1
SCLK Setup to CS Falling t
SCC
50 ns 1
NOTE:
1. Measured at V
IH
= 2.0V, V
IL
= 0.8V, and 10ns maximum rise and fall times.
PCM INTERFACE AC TIMING DIAGRAM Figure 13
CLKX
CLKY
FSX
FSY
XIN
YIN
XOUT
YOUT
(MSB)
t
DXYZ
t
DXYO
(MSB)
3-STATE
t SF
t HD t SD
t HF
t HOLD t RXY
t WXYH t WXYL
t
PXY
t FXY
t HF
FSX
FSY