AM79M574-1JC ETC2 [List of Unclassifed Manufacturers], AM79M574-1JC Datasheet - Page 10

• Manufacturer Part Number: AM79M574-1JC
• Description: Metering Subscriber Line Interface Circuit
• Manufacturer: ETC2 [List of Unclassifed Manufacturers]

SWITCHING CHARACTERISTICS
SWITCHING WAVEFORMS
10
Note:
All delays measured at 1.4 V level.
E1 to DET
Symbol
tgkde
tgkdd
tgkd0
tshde
tshdd
tshd0
E0 to DET
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)
DET
DET
E0
E1
E1
Parameter
tshdd
tgkde
Ground-Key Detect state
R
(See Figure H)
Switchhook Detect state
R
(See Figure G)
L
L
open, R
= 600 Ω, R
Test Conditions
tshd0
Am79M574 Data Sheet
tshde
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
Temperature
Range
tgkde
tgkdd
Min
Typ
tshde
tgkd0
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
µs
16857C-003
Note
4