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參數(shù)資料
| 型號： | 74HC |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | Plastic connectors for AC adapter, Small and high power supply; HRS No: 113-5151-8 01; Connector Type: Wire; Contact Gender: Female; Applicable Cable: Conductor AWG#18 to #22; Termination Style: Crimping; Current Rating(Amps)(Max.): 5; Contact Mating Area Plating: Palladium; Operating Temperature Range (degrees C): -25 to 85; General Description: Crimping type female contact; Strip contact |
| 中文描述： | HCMOS家庭特征 |
| 文件頁數(shù)： | 9/19頁 |
| 文件大小： | 87K |
| 代理商： | 74HC |
March 1988
9
Philips Semiconductors
HCMOS family characteristics
FAMILY SPECIFICATIONS
HCU TYPES
AC waveforms 74HCU
Test circuit for 74HCU
Fig.1 Input rise and fall times, transition times and propagation delays for combinatorial logic ICs.
handbook, halfpage
MGK564
10%
90%
90%
50%
50%
10%
INPUT
OUTPUT
tr
tf
tPHL
tTHL
tPLH
tTLH
GND
VCC
C
L
=
load capacitance including jig and probe capacitance
(see AC CHARACTERISTICS for values).
R
T
=
termination resistance should be equal to the output impedance Z
o
of
the pulse generator.
Fig.2 Test circuit.
handbook, halfpage
MGK565
PULSE
GENERATOR
D.U.T
VCC
VI
VO
RT
CL
50 pF
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