參數(shù)資料
型號: UPD720130GC-9EU
廠商: NEC Corp.
英文描述: USB2.0 to IDE Bridge
中文描述: USB2.0轉(zhuǎn)IDE橋
文件頁數(shù): 16/44頁
文件大?。?/td> 316K
代理商: UPD720130GC-9EU
Data Sheet S16302EJ3V0DS
16
μ
PD720130
3.2
Terminology
Terms Used in Absolute Maximum Ratings
Parameter
Symbol
Meaning
Power supply voltage
V
DD33
, V
DD25
Indicates voltage range within which damage or reduced reliability will not result when
power is applied to a V
DD
pin.
Input voltage
V
I
Indicates voltage range within which damage or reduced reliability will not result when
power is applied to an input pin.
Output voltage
V
O
Indicates voltage range within which damage or reduced reliability will not result when
power is applied to an output pin.
Output current
I
O
Indicates absolute tolerance value for DC current to prevent damage or reduced
reliability when a current flows out of or into an output pin.
Operating temperature
T
A
Indicates the ambient temperature range for normal logic operations.
Storage temperature
T
stg
Indicates the element temperature range within which damage or reduced reliability
will not result while no voltage or current are applied to the device.
Terms Used in Recommended Operating Range
Parameter
Symbol
Meaning
Power supply voltage
V
DD33
, V
DD25
Indicates the voltage range for normal logic operations occur when V
SS
= 0 V.
High-level input voltage
V
IH
Indicates the voltage, which is applied to the input pins of the device, is the voltage
indicates that the high level states for normal operation of the input buffer.
* If a voltage that is equal to or greater than the
Min.
value is applied, the input
voltage is guaranteed as high level voltage.
Low-level input voltage
V
IL
Indicates the voltage, which is applied to the input pins of the device, is the voltage
indicates that the low level states for normal operation of the input buffer.
* If a voltage that is equal to or lesser than the
Max.
value is applied, the input
voltage is guaranteed as low level voltage.
Hysteresys voltage
V
H
Indicates the differential between the positive trigger voltage and the negative trigger
voltage.
Input rise time
t
ri
Indicates allowable input rise time to input pins. Input rise time is transition time from
0.1
×
V
DD
to 0.9
×
V
DD
.
Input fall time
t
fi
Indicates allowable input fall time to input pins. Input fall time is transition time from
0.9
×
V
DD
to 0.1
×
V
DD
.
Terms Used in DC Characteristics
Parameter
Symbol
Meaning
Off-state output leakage
current
I
OZ
Indicates the current that flows from the power supply pins when the rated power
supply voltage is applied when a 3-state output has high impedance.
Output short circuit current
I
OS
Indicates the current that flows when the output pin is shorted (to GND pins) when
output is at high-level.
Input leakage current
I
I
Indicates the current that flows when the input voltage is supplied to the input pin.
Low-level output current
I
OL
Indicates the current that flows to the output pins when the rated low-level output
voltage is being applied.
High-level output current
I
OH
Indicates the current that flows from the output pins when the rated high-level output
voltage is being applied.
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