CMX138 CML Microcircuits, CMX138 Datasheet - Page 63

• Manufacturer Part Number: CMX138
• Description: Audio Scrambler and Sub-Audio Signalling Processor
• Manufacturer: CML Microcircuits

Audio Scrambler and Sub-Audio Signalling Processor
© 2008 CML Microsystems Plc
Notes:
DC Parameters (continued)
XTAL/CLK
C-BUS Interface and Logic Inputs
C-BUS Interface and Logic Outputs
V
BIAS
Input Logic ‘1’
Input Logic ‘0’
Input current (Vin = DV
Input current (Vin = DV
Input Logic ‘1’
Input Logic ‘0’
Input Leakage Current (Logic ‘1’ or ‘0’)
Input Capacitance
Output Logic ‘1’
Output Logic ‘0’
Output voltage offset wrt AV
Output impedance
“Off” State Leakage Current
IRQN
REPLY_DATA (output HiZ)
25
26
Characteristics when driving the XTAL/CLK pin with an external clock source.
Applies when utilising V
system. When using V
always be decoupled with a capacitor as shown in Figure 2.
(Vout = DV
DD
SS
)
)
(I
(I
(I
(I
OH
OH
OL
OL
DD
= 360µA)
= -1.5mA)
= 120µA)
= 1mA)
/2 (I
DD
)
OL
< 1μA)
BIAS
BIAS
Page 63
as a reference, V
to provide a reference voltage to other parts of the
Notes
25
26
Min.
70%
70%
−1.0
90%
80%
−1.0
−1.0
−40
–
–
–
–
–
–
–
–
–
BIAS
must be buffered. V
Typ.
±2%
22
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
Max.
30%
30%
10%
15%
+1.0
+1.0
1.0
7.5
10
40
–
–
–
–
–
–
–
BIAS
D/138_FI1.0/5
must
DV
DV
DV
DV
DV
DV
DV
DV
AV
CMX138
Unit
µA
µA
µA
µA
µA
µA
kΩ
pF
DD
DD
DD
DD
DD
DD
DD
DD
DD