參數(shù)資料
型號(hào): PC8245
廠商: Atmel Corp.
英文描述: Integrated Processor Family
中文描述: 綜合處理器系列
文件頁數(shù): 23/61頁
文件大小: 429K
代理商: PC8245
23
PC8245
2171D–HIREL–06/04
DC Electrical
Characteristics
Static Characteristics
Table 4 provides the DC electrical characteristics for the PC8245 at recommended
operating conditions (see Table “Recommended Operating Conditions” on page 12).
Notes:
1. See Table 1 on page 6 for pins with internal pull-up resistors.
2. See Table 5 on page 24 for the typical drive capability of a specific signal pin based on the type of output driver associated
with that pin as listed in Table 1 on page 6.
3. These specifications are for the default driver strengths indicated in Table 5 on page 24.
4. Leakage current is measured on input and output pins in the high-impedance state. The leakage current is measured for
nominal OV
DD
/LV
DD
and V
DD
or both OV
DD
/LV
DD
and V
DD
must vary in the same direction.
Table 4.
DC Electrical Specifications
Characteristics
Conditions
(3)
Symbol
Value
Unit
Min
Max
Input High Voltage
(1)
PCI only
V
IH
0.65 x OV
DD
LV
DD
V
Input Low Voltage
PCI only
V
IL
0.3 x OV
DD
V
Input High Voltage
All other pins (GV
DD
= 3.3V)
V
IH
2.0
3.3
V
Input Low Voltage
All inputs except
PC_SYNC_IN
V
IL
GND
0.8
V
PCI_SYNC_IN Input High Voltage
CV
IH
2.4
V
PCI_SYNC_IN Input Low Voltage
CV
IL
GND
0.4
V
Input Leakage Current
(4)
for pins
using DRV_PCI driver
0.5V
V
IN
2.7V
at LV
DD
= 4.75
I
L
±70
μA
Input Leakage Current
(4)
All others
LV
DD
= 3.6V
GV
DD
3.465
I
OH
= Driver Dependent
(2)
(GV
DD
= 3.3V)
I
OL
= Driver Dependent
(2)
(GV
DD
= 3.3V)
I
L
±10
μA
Output High Voltage
V
OH
2.4
V
Output Low Voltage
V
OL
0.4
V
Capacitance
(2)
V
IN
= 0V, f = 1 MHz
C
IN
7.0
pF
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