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220
Am79C978
ABSOLUTE MAXIMUM RATINGS
Storage Temperature . . . . . . . . . . . .
–
65
°
C to +150
°
C
Ambient Temperature. . . . . . . . . . . . . -65
°
C to +70
°
C
Supply voltage
with respect to V
SSB
,
V
SS
. . . . . . . . .
–
0.3 V to 3.63 V
Stresses above those listed under Absolute Maximum
Ratings may cause permanent device failure. Function-
ality at or above these limits is not implied. Exposure to
Absolute Maximum Ratings for extended periods may
affect device reliability
.
OPERATING RANGES
Commercial (C) Devices
Temperature (TA) . . . . . . . . . . . . . . . . . .0
°
C to +70
°
C
Supply Voltages
(V
DD
, V
DDR
, V
DD_PCI
) . . . . . . . . . . . . . . .+3.3 V ±10%
All inputs within the range: . . . . . .V
SS
- 0.5 V to 5.5 V
Operating ranges define those limits between which
the functionality of the device is guaranteed.
DC CHARACTERISTICS OVER COMMERCIAL OPERATING RANGES unless otherwise
specified
Parameter
Symbol
Digital I/O (Non-PCI Pins)
V
IH
V
IL
Parameter Description
Test Conditions
Min
Max
Units
Input HIGH Voltage
Input LOW Voltage
2.0
V
V
0.8
V
OL
Output LOW Voltage
I
OL1
= 4 mA
I
OL2
= 6 mA
I
OL3
= 12 mA (Note 1)
I
OH1
= -4 mA
I
OH2
= -2 mA
(Note 3)
0 V <V
OUT
<V
DD
0 V <V
IN
<V
DD
V
IN
= 0 V; V
DD
= 3.6 V
V
IN
= 2.7 V; V
DD
= 3.6 V
0.4
V
V
OH
Output HIGH Voltage (Notes 2, 3)
2.4
V
I
OZ
I
IX
I
IL
I
IH
PCI Bus Interface - 5 V Signaling
V
IH
Input HIGH Voltage
V
IL
Input LOW Voltage
I
OZ
Output Leakage Current (Note 4)
I
IL
Input LOW Current
I
IH
Input HIGH Current
I
IX_PME
Input Leakage Current (Note 7)
V
OH
Output HIGH Voltage (Note 2)
Output Leakage Current (Note 4)
Input Leakage Current (Note 5)
Input LOW Current (Note 6)
Input HIGH Current (Note 6)
-10
-10
-200
-50
10
10
-10
10
μA
μA
μA
μA
2.0
-0.5
-10
--
--
-1
2.4
5.5
0.8
10
-70
70
1
V
V
μA
μA
μA
μA
V
0 V <V
IN
< V
DD_PCI
V
IN
= 0.5 V
V
IN
= 2.7 V
0 V = < V
IN
< 5.5 V
I
OH
= -2 mA
I
OL
4 = 3 mA
I
OL
2 = 6 mA (Note 1)
V
OL
Output LOW Voltage
0.55
V
PCI Bus Interface - 3.3 V Signaling
V
IH
Input HIGH Voltage
0.5 V
DD_PCI
V
DD_PCI
+
0.5
0.3 V
DD_PCI
10
10
10
1
V
V
IL
I
OZ
I
IL
I
IH
I
IX_PME
V
OH
V
OL
Input LOW Voltage
Output Leakage Current (Note 4)
Input LOW Current
Input HIGH Current
Input Leakage Current (Note 7)
Output HIGH Voltage (Note 2)
Output LOW Voltage
-0.5
-10
-10
-10
-1
2.4
V
μA
μA
μA
μA
V
V
0 V < V
OUT
< V
DD_PCI
V
IN
= 2.7 V
V
IN
= 2.7 V
0 V = < V
IN
< 3.6 V
I
OH
= -500 μA
I
OL
= 1500 μA
0.1 V
DD_PCI