
8
S3014
SONET/SDH CLOCK RECOVERY AND SYNTHESIS UNIT
TTL Input/Output DC Characteristics
1
(T
A
= -40
°
C to +85
°
C, V
CC
= 5 V
±
5%, V
EE
= -4.5 V
±
7% or -5.2
±
5%)
ECL Input/Output DC Characteristics
3
(T
A
= -40
°
C to +85
°
C, V
CC
= 5 V
±
5%, V
EE
= -4.5 V
±
7% or -5.2
±
5%)
1. These conditions will be met with an airflow of 400 LFPM.
2. These input levels provide a zero–noise immunity and should only be tested in a static, noise-free environment.
Symbol
VIL
2
VIH
2
IIL
IIH
II
IOS
VIK
VOL
Parameter
Input LOW Voltage
Test Conditions
Guaranteed Input LOW Voltage for all inputs
Guaranteed Input HIGH Voltage for all inputs
Min
Max
0.8
Unit
Volts
Volts
VOH
Input HIGH Voltage
Input LOW Current
Input HIGH Current
Input HIGH Current at Max VCC
Output Short Circuit Current
Input Clamp Diode Voltage
TTL Output LOW Voltage
TTL Output HIGH Voltage
VCC = MAX, VIN = 0.5V
VCC = MAX, VIN = 2.7V
VCC = MAX, VIN = 5.25V
VCC = MAX, VOUT = 0.5V
VCC = MIN, IIN = -18.0mA
VCC = MIN, IOL = 8mA
VCC = MIN, IOH = -1.0mA
2.0
-400.0
-100.0
2.4
50.0
1.0
-25.0
0.5
uA
uA
mA
mA
Volts
Volts
-1.2
Volts
Symbol
Parameter
Test Conditions
Guaranteed Input LOW Voltage
for all single ended inputs
Min
Max
Unit
Signal Name
VIL
1
Input LOW Voltage
-2.00
-1.47
Volts
VIH
1
Input HIGH Voltage
Guaranteed Input HIGH Voltage
for all single ended inputs
-1.18
-0.80
Volts
VIL
2
Input LOW Voltage
Guaranteed Input LOW Voltage
for all differential inputs
-2.00
-0.70
Volts
VIH
2
Input HIGH Voltage
Guaranteed Input HIGH Voltage
for all differential inputs
-1.75
-0.45
Volts
VOL
VOH
Output LOW Voltage
50
to -2V termination
-2.00
-1.50
Volts
IIL
Input LOW Current
VEE = MAX, VIL = -1.95V
VEE = MAX, VDIFF = 0.5V
-0.50
20.00
uA
-1.0
20.00
uA
LOS
SERDATIP,SERDATIN,
REFCLKP, REFCLKN
LOS
SERDATIP,SERDATIN,
REFCLKP, REFCLKN
IIH
Input HIGH Current
VEE = MAX, VIH = -0.80V
VEE = MAX, VDIFF = 0.5V
-0.50
20.00
uA
-1.0
20.00
uA
Output HIGH Voltage
50
to -2V termination
-1.11
-0.62
Volts
VID
2,4
Input DIFF Voltage
Guaranteed Input DIFF Voltage
for all differential inputs
0.25
1.40
Volts
1. Single Ended Inputs
2. Differential ECL Inputs
3. These conditions will be met with an airflow of 400 LFPM.
4. When not used, tie the negative differential input to ground (OV), and tie the positive differential input to -2.0V.