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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)： | 10/19頁 |
| 文件大小： | 88K |
| 代理商： | 74HCT |
March 1988
10
Philips Semiconductors
HCMOS family characteristics
FAMILY SPECIFICATIONS
HC TYPES
AC waveforms 74HC
AC waveforms 74HC
Fig.3 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
handbook, full pagewidth
MGK569
10 %
90%
50%
CLOCK
INPUT
VCC
GND
50%
DATA
INPUT
VCC
GND
10%
tPLH
90%
50%
OUTPUT
tsu
tPHL
tsu
tTLH
tTHL
50%
SET,
RESET,
PRESET
INPUT
VCC
GND
tr
tf
tWH
th
th
tWL
trem
1/fmax
Fig.4
Set-up times, hold times, removal times, propagation delays and the maximum clock pulse frequency for
sequential logic ICs.
(1) In Fig.4 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.
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| 74HCU04 | CERAMIC CHIP/MIL-PRF-55681 |
| 74HCU147N | 10-TO-4 LINE PRIORITY ENCODER |
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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(shí)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(shí)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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