ZL50234GD ETC, ZL50234GD Datasheet - Page 34
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ZL50234GD
Manufacturer Part Number
ZL50234GD
Description
8 Channel Voice Echo Canceller
Manufacturer
ETC
Datasheet
1.ZL50234GD.pdf
(41 pages)
34
AC Electrical Characteristics
- Voltages are with respect to ground (V
† Characteristics are over recommended operating conditions unless otherwise stated
† Characteristics are over recommended operating conditions unless otherwise stated
‡ Typical figures are at 25 C, V
† Characteristics are over recommended operating conditions unless otherwise stated
‡ Typical figures are at 25 C, V
* Note1: High Impedance is measured by pulling to the appropriate rail with R
† Characteristics are over recommended operating conditions unless otherwise stated
‡ Typical figures are at 25 C, V
AC Electrical Characteristics
ZL50234
AC Electrical Characteristics
AC Electrical Characteristics
1 Frame pulse width (ST-BUS, GCI)
2 Frame Pulse Setup time before
3 Frame Pulse Hold Time from C4i
4 C4i Period
5 C4i Pulse Width High
6 C4i Pulse Width Low
7 C4i Rise/Fall Time
1 Master Clock Frequency,
2 Master Clock Low
3 Master Clock High
1
2
3
1
2
3
4
C4i falling (ST-BUS or GCI)
falling (ST-BUS or GCI)
- Fsel = 0
- Fsel = 1
Rin/Sin Set-up Time
Rin/Sin Hold Time
Rout/Sout Delay
- Active to Active
Output Data Enable (ODE)
Delay
CMOS Threshold
CMOS Rise/Fall Threshold Voltage High
CMOS Rise/Fall Threshold Voltage Low
Characteristic
Characteristic
Characteristic
Characteristics
DD1
DD1
DD1
= 3.3V and for design aid only: not guaranteed and not subject to production testing
= 3.3V and for design aid only: not guaranteed and not subject to production testing
= 3.3V and for design aid only: not guaranteed and not subject to production testing
ss
) unless otherwise stated.
†
†
†
†
- Timing Parameter Measurement Voltage Levels
- Serial Streams for ST-BUS and GCI Backplanes
- Frame Pulse and C4i
- Master Clock
Sym
t
t
t
t
SOD
ODE
SIS
SIH
Sym
Sym
f
f
t
t
t
t
t
MCF0
MCF1
t
MCH
FPW
t
t
MCL
FPS
FPH
t
r
CP
CH
CL
, t
f
Zarlink Semiconductor Inc.
Min
10
10
19.0
Min
190
Min
Sym
9.5
V
20
10
10
85
85
20
20
V
V
HM
LM
TT
Typ
- Voltages are with respect to ground (V
Typ
Typ
20.0
10.0
122
122
244
‡
L
0.5V
0.7V
0.3V
, with timing corrected to cancel time taken to discharge C
‡
‡
Level
Max
60
30
DD1
DD1
DD1
t
CP
Max
Max
21.0
10.5
150
150
300
150
150
10
2*
-20
Units
ns
ns
ns
ns
Units
Units
Units
MHz
MHz
V
V
V
ns
ns
ns
ns
ns
ns
ns
ns
ns
C
C
See Note 1
L
L
=150pF
=150pF, R
Test Conditions
SS
). unless otherwise stated.
Conditions
L
Notes
=1K
Notes
Data Sheet
L
.