參數(shù)資料
型號： BX80532PC2200D
廠商： INTEL CORP
元件分類： 微控制器/微處理器
英文描述： 32-BIT, 2200 MHz, MICROPROCESSOR, XMA
封裝： BOXED PROCESSOR
文件頁數(shù)： 29/88頁
文件大小： 1502K
代理商： BX80532PC2200D
Intel Pentium 4 Processor on 0.13 Micron Process Datasheet
35
Electrical Specifications
2.12
AGTL+ System Bus Specifications
Routing topology recommendations may be found in the appropriate platform design guide listed
in Table 1-1. Termination resistors are not required for most AGTL+ signals because they are
integrated into the processor silicon.
Valid high and low levels are determined by the input buffers which compare a signal’s voltage
with a reference voltage called GTLREF (known as VREF in previous documentation).
Table 2-14 lists the GTLREF specifications. The AGTL+ reference voltage (GTLREF) should be
generated on the system board using high precision voltage divider circuits. It is important that the
system board impedance is held to the specified tolerance, and that the intrinsic trace capacitance
for the AGTL+ signal group traces is known and is well-controlled. For more details on platform
design, see the appropriate platform design guide.
NOTES:
1. Unless otherwise noted, all specifications in this table apply to all processor frequencies.
2. The tolerances for this specification have been stated generically to enable the system designer to calculate
the minimum and maximum values across the range of VCC.
3. GTLREF should be generated from VCC by a voltage divider of 1% tolerance resistors or 1% tolerance,
matched resistors. Refer to the appropriate Platform Design Guide for implementation details.
4. RTT is the on-die termination resistance measured at VOL of the AGTL+ output driver. Refer to processor I/O
buffer models for I/V characteristics.
5. COMP resistance must be provided on the system board with 1% tolerance resistors. See the appropriate
Platform Design Guide for implementation details.
6. The VCC referred to in these specifications is the instantaneous VCC.
7. The specifications are for a platform to be forward compatible with future processors. A compatible platform
is one that is designed for some level of compatibility with future processors.
Table 2-14. AGTL+ Bus Voltage Definitions
Symbol
Parameter
Min
Typ
Max
Units
Notes1
GTLREF
Bus Reference Voltage
2/3 VCC –2%
2/3 VCC
2/3 VCC +2%
V
2, 3, 6
GTLREF
Compatible
Bus Reference Voltage
0.63 VCC –2%
0.63 VCC
0.63 VCC +2% V
2, 3, 6, 7
RTT
Termination Resistance
45
50
55
4
R
TT
Compatible
Termination Resistance
54
60
66
4, 7
COMP[1:0]
COMP Resistance
50.49
51
51.51
5
COMP[1:0]
Compatible
COMP Resistance
61.3
61.9
62.5
5, 7
Figure 2-7. Test Circuit
2.4 nH
1.2 pF
Rload = 50
V
CC
V
CC
420 mils, 50
, 169 ps/in
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
BX80532PC2400D 制造商:Intel 功能描述:MPU PENTIUM 4 NETBURST 64-BIT 0.13UM 2.4GHZ - Boxed Product (Development Kits)
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BX80532PE2266D 制造商:Intel 功能描述:MPU PENTIUM 4 PROCESSOR NETBURST 64-BIT 0.13UM 2.26GHZ 478- - Boxed Product (Development Kits)
BX80532PE2400D 制造商:Intel 功能描述:MPU PENTIUM 4 NETBURST 64-BIT 0.13UM 2.4GHZ 478-PIN FCPGA2 - Boxed Product (Development Kits)
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