S3029
SONET/SDH/ATM 155 MBIT/S QUAD TRANSCEIVER
TTL Input/Output DC Characteristics1
(TA = -40°C to +85°C, VCC = 3.3 V ±5%)
Symbol
Parameter
Test Conditions
Min
Max
Unit
Volts
Volts
2
IL
V
Input LOW Voltage
Guaranteed Input LOW Voltage for all inputs
Guaranteed Input HIGH Voltage for all inputs
0.8
2
V
Input HIGH Voltage
2.0
IH
I
Input LOW Current
-400.0
uA
uA
mA
V
V
= MAX, V = 0.5V
IN
IL
CC
I
Input HIGH Current
= MAX, V = 2.7V
IN
50.0
1.0
IH
CC
I
I
Input HIGH Current at Max VCC
V
V
V
V
= MAX, V = 3.5V
IN
CC
CC
CC
CC
I
Output Short Circuit Current
Input Clamp Diode Voltage
TTL Output LOW Voltage
= MAX, V
= 0.5V
-50.0
-1.2
-5.0
mA
Volts
Volts
Volts
OS
OUT
= MIN, I = -18.0mA
V
IK
IN
V
= MIN, I
= MIN, I
= 2mA
OL
0.5
OL
V
TTL Output HIGH Voltage
2.2
V
= -.10mA
OH
OH
CC
2. These input levels provide a zero–noise immunity and should only be tested in a static, noise-free environment.
PECL Input/Output DC Characteristics1,2
(TA = -40°C to +85°C, VCC = 3.3V ±5%)
Symbol
Parameter
Min
Typ
Max
Unit
Conditions
Guaranteed Input LOW Voltage
for single-ended inputs
Input LOW Voltage
V
V
V
V
V
V
-2.000
V
V
-1.441
Volts
IL
CC
CC
Guaranteed Input HIGH Voltage
for single-ended inputs
Volts
Input HIGH Voltage
-1.225
-0.570
IH
IL
CC
CC
Guaranteed Input LOW Voltage
for differential inputs
Input LOW Voltage
Input HIGH Voltage
V
V
-2.000
-1.750
V
V
-0.700
-0.450
Volts
Volts
CC
CC
CC
CC
Guaranteed Input HIGH Voltage
for differential inputs
IH
ID
0.200
0.500
1.400
Volts
µA
V
I
Input Diff. Voltage
Differential Input Voltage
20.000
20.000
Diff. Input High Current
Diff. Input Low Current
-0.500
-0.500
V
V
= 500mV
= 500mV
IHD
ILD
ID
ID
µA
I
I
mA
SD Inputs have internal 1K to GND
load resistor.
Single-ended input High Current
Single-ended input LOW Current
Output LOW Voltage
4
IH
SD Inputs have internal 1K to GND
load resistor.
mA
I
4
IL
V
400 ohm termination to GND
V
V
-2.000
V
V
-1.300
Volts
OL
CC
CC
CC
CC
V
V
Output HIGH Voltage
Output Diff. Voltage
400 ohm termination to GND
Differential Output Voltage
-1.110
-0.670
Volts
Volts
OH
OD
0.390
1.000
1. These conditions will be met with no airflow.
2. When not used, tie the positive differential PECL pin to VCC and the negative differential PECL pin to ground via a 3.9K resistor.
Recommended Termination of Differential
PECL Output Loading
PECL Signals
400Ω
400Ω
100Ω
400Ω
10
February 19, 1999 / Revision B
AMCC [ APPLIED MICRO CIRCUITS CORPORATION ]
