參數(shù)資料
型號： 74HCT
廠商： NXP Semiconductors N.V.
英文描述： HCMOS family characteristics
中文描述： HCMOS家庭特征
文件頁數(shù)： 17/19頁
文件大?。?/td> 88K
代理商： 74HCT
March 1988
17
Philips Semiconductors
HCMOS family characteristics
FAMILY SPECIFICATIONS
DEFINITIONS OF SYMBOLS AND TERMS USED IN
HCMOS DATA SHEETS
Currents
Positive current is defined as conventional current flow
into a device.
Negative current is defined as conventional current flow
out of a device.
Voltages
All voltages are referenced to GND (ground), which is
typically 0 V
.
I
CC
Quiescent power supply current; the current
flowing into the V
CC
supply terminal.
Additional quiescent supply current per input
pin at a specified input voltage and V
CC
.
Quiescent power supply current; the current
flowing into the GND terminal.
Input leakage current; the current flowing into a
device at a specified input voltage and V
CC
.
Input diode current; the current flowing into a
device at a specified input voltage.
Output source or sink current: the current
flowing into a device at a specified output
voltage.
Output diode current; the current flowing into a
device at a specified output voltage.
OFF-state output current; the leakage current
flowing into the output of a 3-state device in the
OFF-state, when the output is connected to
V
CC
or GND.
Analog switch leakage current; the current
flowing into an analog switch at a specified
voltage across the switch and V
CC
.
I
CC
I
GND
I
I
I
IK
I
O
I
OK
I
OZ
I
S
GND
Supply voltage; for a device with a single
negative power supply, the most negative
power supply, used as the reference level for
other voltages; typically ground.
Supply voltage; the most positive potential on
the device.
Supply voltage; one of two (GND and V
EE
)
negative power supplies.
Hysteresis voltage; difference between the
trigger levels, when applying a positive and a
negative-going input signal.
HIGH level input voltage; the range of input
voltages that represents a logic HIGH level in
the system.
V
CC
V
EE
V
H
V
IH
Analog terms
Capacitances
V
IL
LOW level input voltage; the range of input
voltages that represents a logic LOW level in
the system.
HIGH level output voltage; the range of
voltages at an output terminal with a specified
output loading and supply voltage. Device
inputs are conditioned to establish a HIGH level
at the output.
LOW level output voltage; the range of voltages
at an output terminal with a specified output
loading and supply voltage. Device inputs are
conditioned to establish a LOW level at the
output.
Trigger threshold voltage; positive-going signal.
Trigger threshold voltage; negative-going
signal.
V
OH
V
OL
V
T
+
V
T
R
ON
ON-resistance; the effective ON-state
resistance of an analog switch, at a specified
voltage across the switch and output load.
ON-resistance; the difference in
ON-resistance between any two switches of an
analog device at a specified voltage across the
switch and output load.
R
ON
C
I
Input capacitance; the capacitance measured
at a terminal connected to an input of a device.
Input/Output capacitance; the capacitance
measured at a terminal connected to an I/O-pin
(e.g. a transceiver).
Output load capacitance; the capacitance
connected to an output terminal including jig
and probe capacitance.
Power dissipation capacitance; the capacitance
used to determine the dynamic power
dissipation per logic function, when no extra
load is provided to the device.
Switch capacitance; the capacitance of a
terminal to a switch of an analog device.
C
I/O
C
L
C
PD
C
S
相關(guān)PDF資料
PDF描述
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74HCU04 CERAMIC CHIP/MIL-PRF-55681
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74HCMOS147N 10-TO-4 LINE PRIORITY ENCODER
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
74HCT00 制造商:HAR 功能描述:74HCT00 制造商:NTE Electronics 功能描述:
74HCT00AN 制造商:AVX Corporation 功能描述:
74HCT00BQ 制造商:NXP Semiconductors 功能描述:IC QUAD 2 I/P NAND GATE 14-D
74HCT00BQ,115 功能描述:邏輯門 QUAD 2-INPUT NAND RoHS:否 制造商:Texas Instruments 產(chǎn)品:OR 邏輯系列:LVC 柵極數(shù)量:2 線路數(shù)量（輸入/輸出）:2 / 1 高電平輸出電流:- 16 mA 低電平輸出電流:16 mA 傳播延遲時間:3.8 ns 電源電壓-最大:5.5 V 電源電壓-最小:1.65 V 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:DCU-8 封裝:Reel
74HCT00BQ-G 功能描述:邏輯門 QUAD 2-INPUT NAND RoHS:否 制造商:Texas Instruments 產(chǎn)品:OR 邏輯系列:LVC 柵極數(shù)量:2 線路數(shù)量（輸入/輸出）:2 / 1 高電平輸出電流:- 16 mA 低電平輸出電流:16 mA 傳播延遲時間:3.8 ns 電源電壓-最大:5.5 V 電源電壓-最小:1.65 V 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:DCU-8 封裝:Reel
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