參數(shù)資料
型號(hào): GCIXP1250-232
英文描述: Microprocessor
中文描述: 微處理器
文件頁數(shù): 68/148頁
文件大?。?/td> 1601K
代理商: GCIXP1250-232
Intel
IXP1250 Network Processor
68
Datasheet
4.0
Electrical Specifications
This chapter specifies the following electrical behavior of the IXP1250:
Absolute maximum ratings.
DC specifications.
AC timing specifications for the following signal interfaces:
PXTAL Clock input.
PCI Bus Interface.
IX Bus Interface.
Ready Bus Interface.
TK_OUT/TK_IN signals.
SRAM interface.
SDRAM Interface.
Reset signals.
GPIO signals.
IEEE 1149.1 Interface.
Serial Port signals.
4.1
Absolute Maximum Ratings
The IXP1250 is specified to operate at a maximum Core frequency (F
core
) of 232 MHz at a
junction temperature (T
j
) not to exceed 100
°
C for commercial temperature, and at a maximum
Core frequency (F
core
) of 166 MHz and 105
°
C for extended temperature.
Table 31
lists the absolute
maximum ratings for the IXP1250. These are stress ratings only; stressing the device beyond the
absolute maximum ratings may cause permanent damage. Operating beyond the functional
operating range (
Table 32
) is not recommended and extended exposure beyond the functional
operating range may affect reliability.
Under all operating conditions, the 3.3 V to 2.0 V supply voltage difference (V
delta
) must not be
exceeded or permanent damage to the device may result.
Table 31. Absolute Maximum Ratings
Parameter
Minimum
Maximum
Comment
Junction temperature (Commercial), T
j
---
100
°
C
166 MHz,
200 Mhz, and
232 MHz
Junction temperature (Extended Temperature), T
j
---
105
°
C
166 MHz only
Maximum voltage applied to signal pins
3.6 V
Supply voltage (Core and PLL), VDD, VDDP1
1.9 V
2.1 V
2 V supply
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