imp8980d A1 PROs co., Ltd., imp8980d Datasheet - Page 9
imp8980d
Manufacturer Part Number
imp8980d
Description
Pcm Digital Switch
Manufacturer
A1 PROs co., Ltd.
Datasheet
1.IMP8980D.pdf
(14 pages)
Figure 12 Frame Allignment
Figure 13 Clock Timing
†† Timing is over recommended temperature & power supply voltages.
*
‡ Typical figures are at 25°C and are for design aid only: not guaranteed and not subject to production testing.
C4i
C4i
FOi
Bit
Cells
AC Electrical Characteristics † - Clock Timing (Figures 12 and 13)
1
2
3
4
5
6
7
F0i
Contents of Connection Memory are not lost if the clock stops, however, ST-BUS outputs go into the high
impedance state. NB: Frame Pulse is repeated every 512 cycles of C4i
Characteristics
Clock Period*
Clock Width High
Clock Width Low
Clock Transition Time
Frame Pulse Setup TIme
Frame Pulse Hold Time
Frame Pulse Width
2.0V
0.8V
2.0V
0.8V
t
FPH
t
CL
Channel 31
Bit 0
Sym
t
t
t
t
t
t
FPW
t
CCT
CLK
FPH
CH
CTT
t
CL
CLK
0.020
t
220
110
t
Min Typ ‡ Max
FPS
CTT
95
t
CHL
244
122
122
244
20
20
t
FPW
300
150
150
670
.
t
CTT
Units
ns
ns
ns
ns
ns
µs
ns
t
FPH
Channel 0
Bit 7
Test Conditions
t
CH
t
FPS
9