Rainbow Electronics DS2130Q - Manual (Page 18)

DS2130Q
041295 18/22
PCM INTERFACE
AC ELECTRICAL CHARACTERISTICS
(0
°
C to 70
°
C; V
CC
=5V + 10%)
PARAMETER SYMBOL MIN TYP MAX UNITS NOTES
PCMCLK, CPXCLK Clock Period t
P
244 5208 ns 1
PCMCLK, CPXCLK Pulse Width
High t
WH
100 ns
PCMCLK, CPXCLK Rise, Fall
Times t
R
t
F
10 20 ns
Hold Time from PCMCLK,
CPXCLK to PCMFS, CPXFS t
HOLD
0 ns 2
Setup Time from PCMFS, CPXFS
high to PCMCLK, CPXCLK low t
SF
50 ns 2
Hold Time from PCMCLK,
CPXCLK Low to PCMFS, CPXFS
Low t
HF
100 ns 2
Setup Time for PCMIN, CPXIN to
PCMCLK, CPXCLK Low t
SD
50 ns 2
Hold Time for PCMIN, CPXIN to
PCMCLK, CPXCLK Low t
HD
50 ns 2
Delay Time from PCMCLK,
CPXCLK to Valid PCMOUT,
CPXOUT t
DO
10 150 ns 3
Delay Time from PCMCLK,
CPXCLK to PCMOUT, CPXOUT
3-stated t
DZ
20 150 ns 2,3,4
NOTES:
1. At least nine CPXCLK( or PCMCLK) clocks must be received within 1/3 of the CPXFS (or PCMFS) period.
2. Measured at V
IH
= 2.0V, V
IL
= 0.8V, and 10 ns maximum rise and fall times.
3. Load = 150 pF + 2 LSTTL loads.
4. For LSB of PCM or CPX word.