am79c974 Advanced Micro Devices, am79c974 Datasheet - Page 91
am79c974
Manufacturer Part Number
am79c974
Description
Pcnettm-scsi Combination Ethernet And Scsi Controller For Pci Systems
Manufacturer
Advanced Micro Devices
Datasheet
1.AM79C974.pdf
(153 pages)
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ABSOLUTE MAXIMUM RATINGS
Storage Temperature
Ambient Temperature
Under Bias
Supply Voltage to AVSS or VSSB or VSSBS or DVSS
(AVDD, VDD, VDDB, VDDBS, DVDD)
Stresses above those listed under Absolute Maximum Rat-
ings may cause permanent device failure. Functionality at or
above these limits is not implied. Exposure to absolute maxi-
mum ratings for extended periods may affect device reliability.
DC CHARACTERISTICS over COMMERCIAL operating range unless otherwise specified
PCI and Board Interface
Digital Input Voltage
Digital Output Voltage
Digital Input Leakage Current
Digital Output Leakage Current
Crystal Input Current
Parameter
Symbol
VIHX
VOH
IOZH
VILX
VOL
IOZL
VIH
IIHX
VIL
IILX
IIH
IIL
. . . . . . . . . . . . . . . . . . .
Parameter Description
Input LOW Voltage
Input HIGH Voltage
Output LOW Voltage
Output HIGH Voltage (Note 2)
Input Low Leakage Current (Note 3)
Input High Leakage Current (Note 3)
Output Low Leakage Current (Note 4)
Output High Leakage Current (Note 4)
XTAL1 Input LOW Voltage Threshold
XTAL1 Input HIGH Voltage Threshold
XTAL1 Input LOW Current
XTAL1 Input HIGH Current
. . . . . . . . . . .
. . .
–65 C to +150 C
–55 C to +125 C
–0.3 V to +6.0 V
P R E L I M I N A R Y
Am79C974
Test Conditions
IOL1 = 3 mA
IOL2 = 6 mA
IOL3 = 12 mA
(Note 1)
IOH = –2 mA (Note 5)
VIN = 0
VIN = VDD, VDDB
VOUT = 0.4 V
VOUT = VDD, VDDB
VIN = External Clock
VIN = External Clock
VIN = External Clock
VIN = VSS
VIN = External Clock
VIN = VDD
OPERATING RANGES
Temperature (TA)
Supply Voltages
(AVDD, VDD, VDDB, VDDBS, DVDD)
All Inputs within the Range:
AVSS – 0.5 V
or VSS – 0.5 V
or VSSB – 0.5 V
or VSSBS – 0.5 V
or DVSS – 0.5 V
Operating ranges define those limits between which the func-
tionality of the device is guaranteed.
VIN
VIN
VIN
VIN
VIN
Active
Sleep
Active
Sleep
. . . . . . . . . . . . . . . . .
AVDD + 0.5 V,
VDD + 0.5 V,
VDDB + 0.5 V
DVDD + 0.5 V
VDDBS + 0.5 V
VDD – 0.8 VDD + 0.5
–120
–0.5
Min
–10
–10
–10
–10
–10
2.0
2.4
0
. . . . . . . . .
Max
0.55
+10
+10
+10
+10
120
400
0.8
0.4
0.8
10
0
0 C to +70 C
+5 V
AMD
Unit
V
V
V
V
V
V
V
A
A
A
A
A
A
A
A
5%
91
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