參數(shù)資料
型號： IBM3288H2848
英文描述： Telecommunication IC
中文描述： 通信集成電路
文件頁數(shù)： 126/131頁
文件大?。?/td> 1679K
代理商： IBM3288H2848
PRS28.4G
IBM Packet Routing Switch
Electrical Characteristics
Page 126 of 131
prs28.03.fm
August 31, 2000
Table 34: Recommended Operating Conditions
Symbol
Parameter
(for TTL compatible I/Os)
Min
Typ
Max
Units
Notes
V
DD
Supply Voltage
3
3.3
3.6
V
1, 2
V
DD2
Supply Voltage
1.46
1.5
1.54
V
1, 2
V
IH
Input Up Level
1.4
2
V
V
IL
Input Down Level
0.8
1.4
V
V
OH
High Level Output Voltage (V
DD
=min, I
OH
=-4mA)
2.4
2.7
V
DD
V
V
OL
Low Level Output Voltage (V
DD
=min, I
OL
=6mA)
GND
0.25
0.4
V
5
Low Level Output Voltage (V
DD
=min, I
OL
=8mA)
6
I
OZH
High Level Off State Output Current (V
DD
=max,
V
O
=V
DD
(max))
0.1
10
μ
A
I
OZL
Low Level Off State Output Current (V
DD
=max, V
O
=GND)
0.1
10
μ
A
I
I
Maximum Input Current (V
DD
=max, VI=V
DD
(max))
0.1
10
μ
A
I
IH
High Level Input Current (V
DD
=max, VI=V
DD
(max))
10
0.1
μ
A
3
40
69
113
μ
A
7
80
133
217
μ
A
8
750
1250
220
μ
A
9
I
IL
Low Level Input Current (V
DD
=nom, V
O
=GND)
-10
-0.1
μ
A
3
-72
-47
-29
μ
A
4
-139
-93
-58
μ
A
5
-1927
-1285
-810
μ
A
6
I
OSH
Output Circuit Shorted High Current (V
DD
=nom,
V
O
=GND)
39
63
105
mA
7
83
135
224
mA
8
I
OSL
Output Circuit Shorted Low Current (V
DD
=nom, V
O
=GND)
-90
-50
-29
mA
10
-127
-71
-42
mA
11
C
I
Input Capacitance (V
DD
=nom)
5
pF
1. For power up, the +3.3 V supply must be activated, either prior to the +1.5 Volt supply, or concurrently with the +1.5 V supply. The
device might be damaged if the 1.5 V supply is activated for an extended period of time while the 3.3 V supply remains at 0 V level.
2. For power down, the +3.3 V supply must be deactivated either after the +1.5 V supply, or concurrently with the +1.5 V supply. The
device might be damaged if the 1.5 V supply is activated for an extended period of time while the 3.3 V supply remains at 0 V level.
3. Applies to receivers/bidi’s without pullup or pulldown resistors
4. Applies to all receivers with pullup resistor and BHC=D
5. Applies to all receivers with pullup resistor and BHC=E
6. Applies to all receivers with pullup resistor and BHC=F
7. Applies to all receivers with pulldown resistor and BHC=D
8. Applies to all receivers with pulldown resistor and BHC=E
9. Applies to all receivers with pulldown resistor and BHC=F
10. Applies to all 6mA TS and bidi drivers
11. Applies to all 8mA TS and bidi drivers
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