ACS8514 Semtech Corporation, ACS8514 Datasheet - Page 75

• Manufacturer Part Number: ACS8514
• Description: Synchronous Equipment Timing Source Partner IC for 2nd T4 Dpll, Accurate Monitoring & Input Extender
• Manufacturer: Semtech Corporation

Table 24 DC Characteristics: TTL Input Port with Internal Pull-up
Table 25 DC Characteristics: TTL Input Port with Internal Pull-down
Table 26 DC Characteristics: TTL Output Port
Table 27 DC Characteristics: PECL Input Port
Revision 3.00 April 2007 © Semtech Corp.
V
V
Pull-up Resistor
Input Current
V
V
Pull-down Resistor
Input Current
Vout Low (lol = 4mA)
Vout High (loh = 4mA)
Drive Current
PECL Input Low Voltage
Differential Inputs (Note (ii))
PECL Input High Voltage
Differential Inputs (Note (ii))
Input Differential Voltage
PECL Input Low Voltage
Single-ended Input (Note (iii))
PECL Input High Voltage
Single-ended Input (Note (iii))
Input High Current
Input Differential Voltage VID = 1.4V
Input Low Current
Input Differential Voltage VID = 1.4V
Notes:
ADVANCED COMMS & SENSING
IN
IN
IN
IN
High
Low
High
Low
(i) Unused differential input ports should be left floating and set in LVDS mode, or the positive and negative inputs tied to VDD and GND
(ii) Assuming a differential input voltage of at least 100 mV.
(iii) Unused differential input terminated to VDD -1.4 V.
respectively.
Parameter
Parameter
Parameter
Parameter
VILPECL_S
VILPECL_S
VIHPECL
VIDPECL
VILPECL
IIHPECL
Symbol
Symbol
Symbol
Symbol
IILPECL
Voh
Vol
PU
PU
V
V
V
V
I
I
ID
IN
IN
IH
IL
IH
IL
Page 75
FINAL
Minimum
Minimum
Minimum
Minimum
VDD-2.5
VDD-2.4
VDD-2.4
VDD-1.3
2.4
0.1
-10
-10
30
30
2
2
0
-
-
-
-
-
Typical
Typical
Typical
Typical
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
ACS8514 SETS Buddy
Maximum
Maximum
Maximum
Maximum
VDD-0.5
VDD-0.4
VDD-1.5
VDD-0.5
120
120
+10
+10
0.4
0.8
0.8
1.4
80
80
4
-
-
-
DATASHEET
www.semtech.com
Units
Units
Units
Units
k
k
mA
V
V
V
V
V
V
V
V
V
V
V
A
A
A
A