AM79C32A Advanced Micro Devices, AM79C32A Datasheet - Page 69

• Manufacturer Part Number: AM79C32A
• Description: Digital Subscriber Controller (DSC) Circuit
• Manufacturer: Advanced Micro Devices

Note:
All power measurements assume PP disabled or in IOM-2 Deactivated mode.
*Power consumption with the output loaded will be
AC CHARACTERISTICS
V
Parameter
Parameter
CC
Symbol
Symbol
L
V
L
I
I
I
I
I
V
L
AREF
AREF
CC
CC
CC
CC
CC
Z
EAR
= 5 V ± 5%; V
IOS
LS
IN
0
1
2
3
4
Table 51. Revision E Power Specifications for CCITT-Restricted Mode Phone Operation
Parameter
Descriptions
V
(Power-Down mode)
V
(Idle mode)
V
(Active; Call Set-Up)
V
(Active; Voice mode)
V
(Active; Ringing, No
Load*)
Parameter Descriptions
Analog Input Impedence
AINA or AINB to AREF
Allowable Offset Voltage at
AINA or AINB
Allowable Load LS1 to LS2
Allowable Load EAR1 to
EAR2
Allowable Load AREF to V
or V
Analog Reference Voltage
CC
CC
CC
CC
CC
CC
Supply Current
Supply Current
Supply Current
Supply Current
Supply Current
SS
= 0 V; T
Table 52. MAP Analog Characteristics (Am79C30A only)
A
= 0°C to 70°C; MCLK = 3.072 MHz
Test Conditions
V
Clocks & Oscillator Stopped; LIU Receiver Enabled; S Interface
Silent (INFO 0)
V
f
(INFO 0)
V
f
Interface Activated with Data on D-Channel Only; S-interface
Load = 50 ohms
V
Data; f
S Interface Activated with Data on D-channel and one
B-channel; S-interface Load = 50 ohms, AINA = –15 dBm0,
1-kHz Sine Wave; EAR1/EAR2 = –15 dBm0, 1-kHz Tone
Driving 600 ohms
V
f
Interface Activated with Data on D-channel Only; S-Interface
Load = 50 ohms; Secondary Tone Ringer Enabled at 0 dB, 400
Hz, No Load
MCLK
MCLK
MCLK
CC
CC
CC
CC
CC
SS
= 5.25 V; V
= 5.25 V; V
= 5.25 V; V
= 5.25 V; V
= 5.25 V; V
= 3.84 kHz; LIU Receiver Enabled; S Interface Silent
= 3.072 MHz; LIU Receiver and Transmitter Enabled; S
= 384 kHz; LIU Receiver and Transmitter Enabled, S
MCLK
Test Conditions
–1.25 V < V
f
with respect to AREF pin
IN
Am79C30A/32A Data Sheet
= 384 MHz; LIU Receiver and Transmitter Enabled;
< 4 kHz
IH
IH
IH
IH
IH
= V
= V
= V
= V
=V
CC
IN
CC
CC
CC
CC
I
CC
< +1.25 V
; V
; V
; V
; V
; V
4
IL
IL
IL
IL
IL
+
= V
= V
= V
= V
= V
---------------------------------- V
V
OUT
SS
SS
R
SS
SS
SS
LOAD
; mode = Active, Data Only;
; mode = Active, Data Only;
; mode = Power-Down;
; mode = Idle, Data Only;
; mode = Active Voice &
,
peak
Min
200
2.1
–5
CC
R
R
LOAD
R
C
C
C
LOAD
LOAD
LOAD
LOAD
LOAD
Preliminary
> 40 ohms and
> 130 ohms
2.25
Typ
and
and
> 1 Kohm
< 100 pF
< 100 pF
< 100 pF
Typ
155
125
Preliminary
20
80
4
Max
Max
105
190
150
2.4
+5
25
5
Kohm
Unit
Unit
mW
mW
mW
mW
mW
mV
V
69