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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)： | 13/19頁 |
| 文件大?。?/td> | 88K |
| 代理商： | 74HCT |
March 1988
13
Philips Semiconductors
HCMOS family characteristics
FAMILY SPECIFICATIONS
AC waveforms 74HCT
Test circuit for 74HCT
handbook, full pagewidth
MGK568
10%
90%
1.3 V
CLOCK
INPUT
3 V
GND
1.3 V
DATA
INPUT
3 V
GND
10%
tPLH
90%
1.3 V
OUTPUT
tsu
tPHL
tsu
tTLH
tTHL
1.3 V
SET,
RESET,
PRESET
INPUT
3 V
GND
tr
tf
tWH
th
th
tWL
trem
1/fmax
Fig.9
Set-up times, hold times, removal times, propagation delays and the maximum clock pulse frequency for
sequential logic ICs.
(1) In Fig.9 the active transition of the clock is going from LOW-to-HIGH and the active level of the forcing signals
(SET, RESET and PRESET) is HIGH. The actual direction of the transition of the clock input and the actual
active levels of the forcing signals are specified in the individual device data sheet.
(2) For AC measurements: t
r
= t
f
= 6 ns; when measuring f
max
, there is no constraint on t
r
, t
f
with 50% duty factor.
handbook, halfpage
MGK565
PULSE
GENERATOR
D.U.T
VCC
VI
VO
RT
CL
50 pF
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.10 Test circuit.
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相關代理商/技術參數(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 安裝風格:SMD/SMT 封裝 / 箱體:DCU-8 封裝:Reel |
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