參數(shù)資料
型號(hào)： AM79C981
廠商： Advanced Micro Devices, Inc.
英文描述： Integrated Multiport Repeater Plus⑩ (IMR+⑩)
中文描述： 綜合多端中繼器加⑩（死亡率⑩）
文件頁(yè)數(shù)： 25/40頁(yè)
文件大?。?/td> 347K
代理商： AM79C981
AMD
PRELIMINARY
1–95
Am79C981
ABSOLUTE MAXIMUM RATINGS
Storage Temperature
Ambient Temperature Under Bias
Supply Voltage referenced to
AV
SS
or DV
SS
(AV
DD
, DV
DD
)
–65
°
C to +150
°
C
0 to 70
°
C
. . . . . . .
. . . . . . . . . . .
–0.3 to +6 V
. . . . . . . . . .
Stresses above those listed under ABSOLUTE MAXIMUM
RATINGS may cause permanent device failure. Functionality
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 (T
A
)
Supply Voltage (AV
DD
, DV
DD
)
0 to +70
°
C
5 V to
±
5%
. . . . . . . . . . . . . . . .
. . . . . . .
Operating ranges define those limits between which the fun-
tionality of the device is guaranteed
.
DC CHARACTERISTICS over operating ranges unless otherwise specified
Parameter
Symbol
Digital I/O
Parameter Description
Test Conditions
Min
Max
Unit
V
IL
Input LOW Voltage
DV
SS
= 0.0 V
–0.5
0.8
V
V
IH
Input HIGH Voltage
2.0
DV
DD
+0.5
V
V
OL
Output LOW Voltage
I
OL
= 4.0 mA
–
0.4
V
V
OH
Output HIGH Voltage
I
OH
= –0.4 mA
2.4
–
V
I
IL
Input Leakage Current
(also DAT and JAM as inputs)
DV
SS
<V
IN
<DV
DD
–
10
μ
A
V
ILX
X
1
Crystal Input LOW Voltage
DV
SS
= 0.0 V
–0.5
1.0
V
V
IHX
X
1
Crystal Input HIGH Voltage
DV
SS
= 0.0 V
3.8
DV
DD
+0.5
V
I
ILX
Crystal Input LOW Current
V
IN
= DV
SS
–
10
μ
A
I
IHX
Crystal Input HIGH Current
V
IN
= DV
DD
–
10
μ
A
AUI Port
I
IAXD
Input Current at DI+/-
and CI+/- pairs
AV
SS
< V
IN
< AV
DD
–500
+500
μ
A
V
AICM
DI+,DI-,CI+,CI- Open Circuit Input
Common Mode Voltage (bias)
I
IN
= 0A, AV
SS
= 0 V
AV
DD
– 3.0
AV
DD
–1.0
V
V
AIDV
Differential Mode Input
Voltage Range (DI, CI)
AV
DD
= 5.0 V
–2.5
+2.5
V
V
ASQ
DI, CI Squelch Threshold
–275
–160
mV
V
ATH
DI Switching Threshold
(Note 1)
–35
+35
mV
V
AOD
Differential Output Voltage
|(DO+) – (DO-)|
R
L
= 78
620
1100
mV
V
AODI
DO Differential Output
Voltage Imbalance
R
L
= 78
–25
+25
mV
V
AOD
OFF
DO Differential Idle Output Voltage
R
L
= 78
–40
+40
mV
I
AOD
OFF
DO Differential Idle Output Current
R
L
= 78
(Note 1)
–1
+1
mA
V
AOCM
DO+/- Common Mode Output Voltage
R
L
= 78
2.5
AV
DD
V
相關(guān)PDF資料
PDF描述
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AM79C981JC 制造商:AMD 制造商全稱:Advanced Micro Devices 功能描述:Integrated Multiport Repeater Plus⑩ (IMR+⑩)
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