DS2167/DS2168
022698 11/15
PCM INTERFACE
AC ELECTRICAL CHARACTERISTICS (0°C to 70°C, V
DD
= 5V + 10%)
PARAMETER SYMBOL MIN TYP MAX UNITS NOTES
MCLK Period t
PM
100 ns 5
MCLK Pulse Width t
WMH
,
t
WML
45 50 55 ns
MCLK Rise and Fall Times t
RM
, t
FM
5 10 ns
CLKX, CLKY Period t
PXY
244 488 5208 ns 4
CLKX, CLKY Pulse Width t
WXYH
,
t
WXYL
100 244 ns
CLKX, CLKY Rise and Fall Times t
RXY
, t
FXY
10 20 ns
Hold Time from CLKX, CLKY to
FSX, FSY
t
HOLD
0 ns 1
Setup Time from FSX, FSY to
CLKX, CLKY low
t
SF
50 ns 1
Hold Time from CLKX, CLKY low
to FSX, FSY low
t
HF
100 ns 1
XIN, YIN Setup to CLKX, CLKY
low
t
SD
50 ns 1
XIN, YIN Hold to CLKX, CLKY
low
t
HD
50 ns 1
Delay Time from CLKX, CLKY to
Valid XOUT, YOUT
t
DXYO
10 150 ns 2
Delay Time from CLKX, CLKY to
XOUT, YOUT Tri-stated
t
DXYZ
20 150 ns 1,2,3
NOTES:
1. Measured at V
IH
= 2.0V, V
IL
= 0.8V, and 10 ns maximum rise and fall times.
2. Load = 150 pF + 2 LSTTL loads.
3. For LSB of PCM byte or ADPCM nibble.
4. Maximum width of FSX, FSY is one CLKX, CLKY period.
5. MCLK = 10 MHz +
500 ppm.
