參數(shù)資料
型號: UPD720122GC-9EU
廠商: NEC Corp.
英文描述: MOS Integrated Circuit
中文描述: 馬鞍山集成電路
文件頁數(shù): 12/82頁
文件大小: 650K
代理商: UPD720122GC-9EU
Data Sheet S16685EJ2V0DS
12
μ
PD720122
Terms Used in Recommended Operating Range
Parameter
Symbol
Meaning
Power supply voltage
V
DD
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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