ACS8514T View Datasheet(PDF) - Semtech Corporation
Part Name
Description
MFG CO.
ACS8514T
Synchronous Equipment Timing Source Partner IC for 2nd T4 DPLL, Accurate Monitoring & Input Extender
Semtech Corporation
'ACS8514T' PDF : 86 Pages View PDF
ACS8514 SETS Buddy
ADVANCED COMMS & SENSING FINAL
DATASHEET
Table 24 DC Characteristics: TTL Input Port with Internal Pull-up
Parameter
VIN High
VIN Low
Pull-up Resistor
Input Current
Symbol
VIH
VIL
PU
IIN
Minimum
2
-
30
-
Typical
-
-
-
-
Maximum
-
0.8
80
120
Units
V
V
kΩ
µA
Table 25 DC Characteristics: TTL Input Port with Internal Pull-down
Parameter
VIN High
VIN Low
Pull-down Resistor
Input Current
Symbol
VIH
VIL
PU
IIN
Minimum
2
-
30
-
Typical
-
-
-
-
Maximum
-
0.8
80
120
Units
V
V
kΩ
µA
Table 26 DC Characteristics: TTL Output Port
Parameter
Vout Low (lol = 4mA)
Vout High (loh = 4mA)
Drive Current
Symbol
Vol
Voh
ID
Minimum
0
2.4
-
Typical
-
-
-
Maximum
0.4
-
4
Units
V
V
mA
Table 27 DC Characteristics: PECL Input Port
Parameter
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
Symbol
VILPECL
VIHPECL
VIDPECL
VILPECL_S
VILPECL_S
IIHPECL
IILPECL
Minimum
VDD-2.5
VDD-2.4
0.1
VDD-2.4
VDD-1.3
-10
-10
Typical
-
-
-
-
-
-
-
Maximum
VDD-0.5
VDD-0.4
1.4
VDD-1.5
VDD-0.5
+10
+10
Units
V
V
V
V
V
µA
µA
Notes:
(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
respectively.
(ii) Assuming a differential input voltage of at least 100 mV.
(iii) Unused differential input terminated to VDD -1.4 V.
Revision 3.00 April 2007 © Semtech Corp.
Page 75
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