參數(shù)資料
型號(hào): 21555-AA
英文描述: Controller Miscellaneous - Datasheet Reference
中文描述: 控制器雜項(xiàng)-數(shù)據(jù)表參考
文件頁(yè)數(shù): 22/30頁(yè)
文件大?。?/td> 485K
代理商: 21555-AA
Non-Transparent PPB
22
Datasheet
3.0
Electrical Specifications
This section specifies the following electrical behavior of the 21555:
PCI electrical conformance.
Absolute maximum ratings.
DC specifications.
AC timing specifications.
3.1
PCI Electrical Specification Conformance
The 21555 PCI pins conform to the basic set of PCI electrical specifications in the
PCI Local Bus
Specification
, Revision 2.2. See that document for a complete description of the PCI I/O protocol
and pin AC specifications.
3.2
Absolute Maximum Ratings
The 21555 is specified to operate at a maximum frequency of 33 MHz or 66 MHz if 66 MHz
capable, at a junction temperature (T
j
) not to exceed 125
°
C.
Table 5
lists the absolute maximum
ratings for the 21555. Stressing the device beyond the absolute maximum ratings may cause
permanent damage. These are stress ratings only. Operating beyond the functional operating range
is not recommended and extended exposure beyond the functional operating range may affect
reliability.
Table 6
lists the functional operating range.
.
Table 5. Absolute Maximum Ratings
Parameter
Minimum
Maximum
Junction temperature, T
j
125
°
C
Supply voltage
V
cc
4.3 V
Maximum voltage applied to signal pins
5.5 V
Maximum power, P
WC
3.0 W
Storage temperature range, T
stg
55
°
C
125
°
C
Table 6. Functional Operating Range
Parameter
Minimum
Maximum
Supply voltage, V
cc
3.0 V
3.6 V
Operating ambient temperature, T
a
0
°
C
70
°
C
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