ACS8515 Rev2.1 LC/P
ADVANCED COMMUNICATIONS
FINAL
Table 15. DC Characteristics: TTL Input Pad with Internal Pull-up
Across all operating conditions, unless otherwise stated
PA R A M E T E R
Vin High
Vin Low
Pull-up Resistor
Input Current
SYMBOL
MIN
T YP
MAX
UNITS
Vih
2.0
-
-
V
Vil
-
-
0.8
V
PU
30
-
80
k!
Iin
-
-
120
µA
Table 16. DC Characteristics: TTL Input Pad with Internal Pull-down
Across all operating conditions, unless otherwise stated
PA R A M E T E R
SYMBOL
MIN
T YP
MAX
Vin High
Vih
2.0
-
-
Vin Low
Vil
-
-
0.8
Pull-down Resistor
PD
30
-
80
Input Current
Iin
-
-
120
UNITS
V
V
k!
µA
Table 17. DC Characteristics: TTL Output Pad
Across all operating conditions, unless otherwise stated
PA R A M E T E R
Vout Low
Iol = 4mA
Vout High
Ioh = 4mA
Drive Current
SYMBOL
MIN
T YP
MAX
UNITS
Vol
0
-
0.4
V
Voh
2.4
-
ID
-
-
V
4
mA
Revision 2.01/December 2005 Semtech Corp.
36
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