參數(shù)資料
型號: AXDA1900DKT3C
元件分類: 微處理器
英文描述: Microprocessor
中文描述: 微處理器
文件頁數(shù): 51/104頁
文件大小: 1769K
代理商: AXDA1900DKT3C
Chapter 8
Electrical Data
39
25175E—November 2002
AMD Athlon XP Processor Model 8 Data Sheet
Preliminary Information
8.11
General AC and DC Characteristics
Table 16 shows the AMD Athlon XP processor model 8 AC and
DC characteristics of the Southbridge, JTAG, test, and miscel-
laneous pins.
Table 16. General AC and DC Characteristics
Symbol
Parameter Description
Condition
Min
Max
Units
Notes
V
IH
Input High Voltage
(V
CC_CORE
/ 2) +
200 mV
–300
V
CC_CORE
400
–300
V
CC_CORE
+
300 mV
350
V
CC_CORE
+
300
400
V
1, 2
V
IL
Input Low Voltage
mV
1, 2
V
OH
Output High Voltage
mV
V
OL
Output Low Voltage
mV
I
LEAK_P
Tristate Leakage Pullup
V
IN
= VSS
(Ground)
V
IN
= V
CC_CORE
Nominal
–1
mA
I
LEAK_N
Tristate Leakage Pulldown
600
μ
A
I
OH
I
OL
T
SU
T
HD
T
DELAY
Notes:
Output High Current
–16
mA
3
Output Low Current
16
mA
3
Sync Input Setup Time
2.0
ns
4, 5
Sync Input Hold Time
0.0
ps
4, 5
Output Delay with respect to RSTCLK
0.0
6.1
ns
5
1. Characterized across DC supply voltage range.
2. Values specified at nominal V
CC_CORE
. Scale parameters between V
CC_CORE.
minimum and V
CC_CORE.
maximum.
3. I
OL
and I
OH
are measured at V
OL
maximum and V
OH
minimum, respectively.
4. Synchronous inputs/outputs are specified with respect to RSTCLK and RSTCK# at the pins.
5. These are aggregate numbers.
6. Edge rates indicate the range over which inputs were characterized.
7.
In asynchronous operation, the signal must persist for this time to enable capture.
8. This value assumes RSTCLK period is 10 ns ==> TBIT = 2*fRST.
9. The approximate value for standard case in normal mode operation.
10. This value is dependent on RSTCLK frequency, divisors, Low Power mode, and core frequency.
11. Reassertions of the signal within this time are not guaranteed to be seen by the core.
12. This value assumes that the skew between RSTCLK and K7CLKOUT is much less than one phase.
13. This value assumes RSTCLK and K7CLKOUT are running at the same frequency, though the processor is capable of other
configurations.
14. Time to valid is for any open-drain pins. See requirements 7 and 8 in the “Power-Up Timing Requirements“ Chapter for more
information.
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