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參數(shù)資料
| 型號(hào)： | PXA255 |
| 廠商： | Intel Corp. |
| 英文描述： | PXA255 Processor |
| 中文描述： | PXA255處理器 |
| 文件頁(yè)數(shù)： | 26/40頁(yè) |
| 文件大?。?/td> | 1191K |
| 代理商： | PXA255 |
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Electrical Specifications
26
Intel PXA255 Processor
Electrical, Mechanical, and Thermal Specification
4.4
Targeted DC Specifications
The DC characteristics for each pin include input-sense levels and output-drive levels and currents.
These parameters can be used to determine maximum DC loading, and also to determine maximum
transition times for a given load.
Table 10, “Standard Input, Output, and I/O Pin DC Operating
Conditions”
shows the DC operating conditions for the high- and low-strength input, output, and
I/O pins. All DC specification values are valid for the entire temperature range of the device.
Peak Voltage Range
VVCC_P
VCC, PLL_VCC Voltage, Peak Range
1.235
1.30
1.65
V
fTURBO_P
Turbo Mode Frequency, Peak Range
99.5
398.2
MHz
fSDRAM_P
External Synchronous Memory
Frequency, Peak Range
50
99.5
MHz
Table 9. Voltage, Temperature, and Frequency Electrical Specifications (Sheet 2 of 2)
Symbol
Description
Min
Typical
Max
Units
Table 10. Standard Input, Output, and I/O Pin DC Operating Conditions
Symbol
Description
Min
Typical
Max
Units
Input DC Operating Conditions
VIH
Input High Voltage, all standard input and
I/O pins
0.8*VCCQ
VCCQ
V
VIL
Input Low Voltage, all standard input and
I/O pins
VSS
0.2*VCCQ
V
IIN
Input Leakage, all standard input and IO
pins
10
μ
A
Output DC Operating Conditions
VOH
Output High Voltage, all standard output
and I/O pins
VCCQ-0.1
VCCQ
V
VOL
Output Low Voltage, all standard output
and I/O pins
VSS
VSS+0.4
V
IOH_H
Output High Current, all standard, high-
strength output and I/O pins (VO=VOH)
-10
mA
IOH_L
Output High Current, all standard, low-
strength output and I/O pins (VO=VOH)
-3
mA
IOL_H
Output Low Current, all standard, high-
strength output and I/O pins (VO=VOH)
10
mA
IOL_L
Output Low Current, all standard, low-
strength output and I/O pins (VO=VOH)
3
mA
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