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U74AHCT373 の電気的特性と機能

U74AHCT373のメーカーはUnisonic Technologiesです、この部品の機能は「OCTAL TRANSPARENT D-TYPE LATCHES」です。


製品の詳細 ( Datasheet PDF )

部品番号 U74AHCT373
部品説明 OCTAL TRANSPARENT D-TYPE LATCHES
メーカ Unisonic Technologies
ロゴ Unisonic Technologies ロゴ 




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U74AHCT373 Datasheet, U74AHCT373 PDF,ピン配置, 機能
UNISONIC TECHNOLOGIES CO., LTD
U74AHCT373
OCTAL TRANSPARENT D-TYPE
LATCHES WITH 3-STATE
OUTPUTS
„ DESCRIPTION
The U74AHCT373 is an octal transparent D-type latch with
3-state outputs and 8 channels.
When the OE input is low and the LE input is high, the Q
outputs follow the D inputs. When OE is low and LE is low, the Q
outputs are latched at the logic levels of the D inputs.
When the OE input is high, the outputs are in the
high-impedance. The OE does not affect the internal operations of
the latches. Old data can be retained or new data can be entered
while the outputs are in the high-impedance state.
To ensure the high-impedance state during power up or power
down, OE should be tied to VCC through a pull-up resistor; the
minimum value of the resistor is determined by the current-sinking
capability of the driver.
„ FEATURES
* Inputs are TTL-Voltage Compatible
* Operate from 4.5V to 5.5V
* Inputs Accept Voltages to 5.5V
* Max tPD of 8.5ns at VCC=5V, CL=15pF
„ ORDERING INFORMATION
Ordering Number
Lead Free
Halogen Free
U74AHCT373L-P20-R
U74AHCT373G-P20-R
U74AHCT373L-P20-T
U74AHCT373G-P20-T
Package
TSSOP-20
TSSOP-20
CMOS IC
TSSOP-20
Packing
Tape Reel
Tube
www.unisonic.com.tw
Copyright © 2011 Unisonic Technologies Co., Ltd
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U74AHCT373 pdf, ピン配列
U74AHCT373
CMOS IC
„ ABSOLUTE MAXIMUM RATING
PARAMETER
SYMBOL
RATINGS
UNIT
Supply Voltage Range
Input Voltage Range (Note 3)
Output Voltage Range (Note 3)
VCC
VI
VO
-0.5 ~ 7
-0.5 ~ 7
-0.5 ~ VCC +0.5
V
V
V
Input Clamp Current
Output Clamp Current
IIK -20 mA
IOK ±20 mA
Output Current
VCC or GND Current
IO ±25 mA
ICC ±75 mA
Storage Temperature
TSTG
-65 ~ +150
Note: 1. Absolute maximum ratings are those values beyond which the device could be permanently damaged.
2. Absolute maximum ratings are stress ratings only and functional device operation is not implied.
3. The input and output voltage ratings may be exceeded if the input and output current ratings are observed.
„ RECOMMENDED OPERATING CONDITIONS
PARAMETER
Supply Voltage
High-Level Input Voltage
Low-Level Input Voltage
Input Voltage
Output Voltage
High-Level Output Current
Low-Level Output Current
Input Rise or Fall Times
Operating free-air temperature
SYMBOL
VCC
VIH
VIL
VIN
VOUT
IOH
IOL
tR, tF
TA
MIN
4.5
2
0
0
-40
TYP
MAX
5.5
0.8
5.5
VCC
-8
8
20
85
UNIT
V
V
V
V
V
mA
mA
ns/V
„ ELECTRICAL CHARACTERISTICS (TA=25°C)
PARAMETER
Output Voltage High-Level
Output Voltage Low-Level
Input Leakage Current
Leakage Current
(For output in high-impedance state)
Quiescent Supply Current
Additional Quiescent Supply Current
Input Capacitance
Output Capacitance
SYMBOL
TEST CONDITIONS
VOH
VCC=4.5V, IOH=-50μA
VCC=4.5V, IOH=-8mA
VOL
VCC=4.5V, IOL=50μA
VCC=4.5V, IOL=8mA
II(LEAK)
IOZ
VCC=0V to 5.5V, VIN=0 or 5.5V
VCC=5.5V, VIN=VIH or VIH,
VOUT=0 or 5.5V
ICC
ΔICC
CI
CO
VCC=5.5V, VIN=VCC or GND, IOUT=0
VCC=5.5V, one input at 3.4V,
Other inputs at VCC or GND
VCC=5V, VIN=VCC or GND
VCC=5V, VOUT=VCC or GND
MIN TYP MAX UNIT
4.4 4.5
3.94
V
0.1
0.36
V
±0.1  μA
±0.25  μA
4  μA
1.35 mA
4 10 pF
9 pF
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
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U74AHCT373 電子部品, 半導体
U74AHCT373
„ TEST CIRCUIT AND WAVEFORMS(Cont.)
Input
Output
VM
tPLH
VM
tPHL
VM
tPHL
VM
tPLH
Output
VM
VM
Voltage Waveforms Propagation Delay Times
VIN
0V
VOH
VOL
VOH
VOL
CMOS IC
Note: A. CL includes probe and jig capacitance.
B. PRR 1MHz, ZO = 50, tR 3ns, tF 3ns.
UTC assumes no responsibility for equipment failures that result from using products at values that
exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or
other parameters) listed in products specifications of any and all UTC products described or contained
herein. UTC products are not designed for use in life support appliances, devices or systems where
malfunction of these products can be reasonably expected to result in personal injury. Reproduction in
whole or in part is prohibited without the prior written consent of the copyright owner. The information
presented in this document does not form part of any quotation or contract, is believed to be accurate
and reliable and may be changed without notice.
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
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共有リンク

Link :


部品番号部品説明メーカ
U74AHCT373

OCTAL TRANSPARENT D-TYPE LATCHES

Unisonic Technologies
Unisonic Technologies
U74AHCT374

OCTAL EDGE-TRIGGERED D-TYPE FLIP-FLOPS

Unisonic Technologies
Unisonic Technologies


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