
S3040A
SONET/SDH CLOCK RECOVERY UNIT
10
April 4, 2000 / Revision D
Table 7. TTL Input/Output DC Characteristics
1
(T
A
= -40
°
C to +85
°
C, V
CC
= 5 V
±
5%)
Description
Input Low Voltage
Parameter
VIL
2
VIH
2
IIL
IIH
II
IOS
VIK
VOL
Conditions
Guaranteed Input Low Voltage for all inputs
Guaranteed Input Low Voltage for all inputs
Min
Max
0.8
Units
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 = 0.5 V
VCC = MAX, VIN = 2.7 V
VCC = MAX, VIN = 5.25 V
VCC = MAX, VOUT = 0.5 V
VCC = MIN, IIN = -18.0 mA
VCC = MIN, IOL = 4 mA
VCC = MIN, IOH = -1.0 mA
2.0
-1
-40
2.4
50.0
1.0
-5.0
0.5
mA
uA
mA
mA
Volts
Volts
-1.2
Volts
(T
A
= -40
°
C to +85
°
C, V
CC
= 5 V
±
5%)
Description
Parameter
1.
2.
These conditions will be met with no airflow.
These input levels provide a zero-noise immunity and should only be tested in a static, noise-free environment.
Conditions
Min
Max
Units
Signal Name
VIL
2
Input Low Voltage
Guaranteed Input Low Voltage
for all single ended inputs
VCC
-2.00
VCC
-1.47
Volts
VIH
2
Input High Voltage
Guaranteed Input High Voltage
for all single ended inputs
VCC
-1.18
VCC
-0.80
Volts
VIL
2
Input Low Voltage
Guaranteed Input Low Voltage
for all Differential inputs
VCC
-2.0
VCC
-0.70
Volts
VIH
2
Input High Voltage
Guaranteed Input Low Voltage
for all Differential inputs
VCC
-1.70
VCC
-0.45
Volts
VOL
VOH
Output Low Voltage
100
Line to Line
VCC -1.4
VCC -0.5
Volts
IIL
Input Low Current
VCC = MAX, VIL = Vcc -2 V
VCC = MAX, VDiff = 0.5 V
0
450
uA
3.0
6.0
mA
SDN
SERDATIP/N
IIH
Input High Current
VCC = MAX, VIH = Vcc -0.80 V
VCC = MAX, VDiff = 0.5 V
100
500
uA
3.5
6.4
mA
SDN
SERDATIP/N
Output High Voltage
100
Line to Line
VCC -0.4
VCC
Volts
VID
2
Input Diff Voltage
Guaranteed Input Diff Voltage
for all Differential inputs
40
1000
mV
100
450
uA
REFCLKP
REFCLKN
VCC = MAX, VIL = Vcc -2 V
100
500
uA
REFCLKP
REFCLKN
VCC = MAX, VIH = Vcc -0.80 V
VOD
CML Output single-
ended Voltage Swing
CML Output Diff
Voltage Swing
100
Line to Line
280
600
mV
SERDATOP/N
SERCLKOP/N
VOD
100
Line to Line
560
1200
mV
SERDATOP/N
SERCLKOP/N
1.
2.
These conditions will be met with no airflow.
These input levels provide a zero-noise immunity and should only be tested in a static, noise-free environment.
Table 6. Serial Input/Output DC Characteristics
1