ACS8509 Semtech Corporation, ACS8509 Datasheet - Page 46

• Manufacturer Part Number: ACS8509
• Description: Synchronous Equipment Timing Source for Sonet or SDH Network Elements
• Manufacturer: Semtech Corporation

Table 19 DC Characteristics: TTL Input Port with Internal Pull-up
Table 20 DC Characteristics: TTL Input Port with Internal Pull-down
Table 21 DC Characteristics: TTL Output Port
Table 22 DC Characteristics: PECL Output Port
Notes: (i) Assuming a differential input voltage of at least 100 mV.
Revision 2.00/January 2006 © Semtech Corp.
ADVANCED COMMUNICATIONS
Across all operating conditions, unless otherwise stated
V
V
Pull-up Resistor
Input Current
Across all operating conditions, unless otherwise stated
V
V
Pull-down Resistor
Input Current
Across all operating conditions, unless otherwise stated
V
V
Drive Current
Across all operating conditions, unless otherwise stated
PECL Output Low Voltage (Note (ii))
PECL Output High Voltage (Note (ii))
PECL Output Differential Voltage (Note (i))
IN
IN
IN
IN
OUT
OUT
High
Low
High
Low
Low (l
High (l
(ii) With 50
OL
OH
= 4 mA)
= 4 mA)
Parameter
Parameter
Parameter
Parameter
Ω
load on each pin to V
DD
-2 V, i.e. 82
Symbol
Symbol
Symbol
Symbol
V
V
V
OLPECL
OHPECL
ODPECL
V
V
V
V
PU
V
V
PD
I
I
I
IN
IN
OH
OL
IH
IH
D
IL
IL
Ω
to GND and 130
FINAL
Page 46
Minimum
Minimum
Minimum
Minimum
V
V
DD
DD
580
2.0
2.4
30
30
-2.10
-1.25
2
0
-
-
-
-
-
Ω
to V
DD
.
Typical
Typical
Typical
Typical
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Maximum
Maximum
Maximum
Maximum
ACS8509 SETS
V
V
DD
DD
120
120
900
0.8
0.8
0.4
80
80
-1.62
-0.88
4
-
-
-
DATASHEET
www.semtech.com
Units
Units
Units
Units
kΩ
µΑ
kΩ
mA
mV
µA
V
V
V
V
V
V
V
V