參數(shù)資料
型號(hào): 24707_PUB
英文描述: Programmable Resolution 1-Wire Digital Thermometer
中文描述: 時(shí)鐘發(fā)生器規(guī)格的AMD Athlon? 64和AMD Opteron?處理器
文件頁(yè)數(shù): 30/51頁(yè)
文件大小: 1783K
代理商: 24707_PUB
Clock Generator Specification for AMD64 Processors
24707 Rev. 3.08 September 2003
7.3
Electrical Characteristics
The electrical characteristics of the device define the electrical parameters and the ranges over
which the device must operate. These characteristics are grouped per input or output type. These
electrical characteristics must be maintained over the operating conditions shown in Table 5 on
page 25.
7.3.1
Logic Inputs
The logic input electrical characteristics are described in Table 6.
The input pins are PCI33_HT66SEL_L, FS[0:2], PCISTOP33_L.
Table 6. Logic Input Electrical Characteristics
Parameter
Description
Test Conditions
Min.
Typ.
Max.
Unit
V
IL
V
IH
I
IL,
I
IH
Input Low Voltage
Input High Voltage
Input Low/High
Current
GND-0.3
2.0
0.8
V
V
μ
A
VDD+0.3
±
50
0 <Vin< V
DD
, Input
Leakage current
7.3.2
SDATA, SCLK Input/Output
The SMBus electrical characteristics are described in Table 7.
Table 7. SDATA and SCLK Input Electrical Characteristics *
Parameter
Description
Test Conditions
Min.
Typ.
Max.
Unit
V
IL
V
IH
I
IL,
I
IH
Input Low Voltage
Input High Voltage
Input Low/High
Current
GND-0.3
2.0
0.8
V
V
μ
A
VDD+0.3
±
50
0 <Vin< VDD,
Input Leakage
current
V
OL
I
OL
* Note:
(5-V tolerant) If clock vendor only supports 3.3-V tolerant IO, they must provide an application
note in their specification on how to handle a 5-V SMBus (i.e., clamp circuit on the motherboard).
Output Low Voltage I
OL
= 1.75mA
Output Low Current V
O
= 0.8V
GND-0.3
2
0.4
50
V
mA
7.3.3
X1, X2 Crystal Input/Feedback
The crystal input electrical characteristics are described in Table 8.
26
Electrical Specifications
Chapter 7
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