am7945 Advanced Micro Devices, am7945 Datasheet - Page 9
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am7945
Manufacturer Part Number
am7945
Description
Subscriber Line Interface Circuit
Manufacturer
Advanced Micro Devices
Datasheet
1.AM7945.pdf
(18 pages)
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ELECTRICAL CHARACTERISTICS (continued)
RELAY DRIVER SCHEMATIC
SWITCHING CHARACTERISTICS
(32-Pin PLCC only)
Relay Driver Output (RINGOUT)
On voltage
Off leakage
Zener breakover
Zener On voltage
tgkde
tgkdd
tgkd0
tshde
tshdd
tshd0
Symbol
E1 Low to DET High (E0 = 1)
E1 Low to DET Low (E0 = 1)
E0 High to DET Low (E1 = 0)
E0 Low to DET High (E1 = 0)
E1 High to DET Low (E0 = 1)
E1 High to DET High (E0 = 1)
E0 High to DET Low (E1 = 1)
E0 Low to DET High (E1 = 1)
Description
Parameter
35 mA sink
V
100 µA
30 mA
OH
Ground-Key Detect state
R
(See Figure H)
Switchhook Detect state
R
(See Figure G)
Test Conditions (See Note 1)
= +5 V
L
L
BGND
open, R
= 600 , R
Test Conditions
SLIC Products
G
connected
G
open
0 C to +70 C
–40 C to +85 C
0 C to +70 C
–40 C to +85 C
0 C to +70 C
–40 C to +85 C
0 C to +70 C
–40 C to +85 C
0 C to +70 C
–40 C to +85 C
0 C to +70 C
–40 C to +85 C
0 C to +70 C
–40 C to +85 C
0 C to +70 C
–40 C to +85 C
RINGOUT
Temperature
Ranges
Min
6
+0.25
Typ
7.2
10
Min
Typ
+0.4
Max
100
Max
3.8
4.0
1.1
1.6
1.1
1.6
3.8
4.0
1.2
1.7
3.8
4.0
1.1
1.6
3.8
4.0
Unit
µA
V
V
Unit
s
Note
Note
4
9