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| 型号： | SNJ54HC20FK |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 门电路 |
| 英文描述： | HC/UH SERIES, DUAL 4-INPUT NAND GATE, CQCC20 |
| 封装： | CERAMIC, LCC-20 |
| 文件页数： | 16/20页 |
| 文件大小： | 783K |
| 代理商： | SNJ54HC20FK |
SN54HC20, SN74HC20
DUAL 4INPUT POSITIVENAND GATES
SCLS086F DECEMBER 1982 REVISED AUGUST 2003
5
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
PARAMETER MEASUREMENT INFORMATION
VOLTAGE WAVEFORM
INPUT RISE AND FALL TIMES
50%
10%
90%
VCC
0 V
tr
tf
Input
VOLTAGE WAVEFORMS
PROPAGATION DELAY AND OUTPUT TRANSITION TIMES
50%
10%
90%
VCC
VOH
VOL
0 V
tr
tf
Input
In-Phase
Output
50%
tPLH
tPHL
50%
10%
90%
VOH
VOL
tr
tf
tPHL
tPLH
Out-of-Phase
Output
Test
Point
From Output
Under Test
CL = 50 pF
(see Note A)
LOAD CIRCUIT
NOTES: A. CL includes probe and test-fixture capacitance.
B. Phase relationships between waveforms were chosen arbitrarily. All input pulses are supplied by generators having the following
characteristics: PRR
≤ 1 MHz, ZO = 50 , tr = 6 ns, tf = 6 ns.
C. The outputs are measured one at a time with one input transition per measurement.
D. tPLH and tPHL are the same as tpd.
Figure 1. Load Circuit and Voltage Waveforms
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相关代理商/技术参数 |
参数描述 |
|---|---|
| SNJ54HC20J | 制造商:Rochester Electronics LLC 功能描述:8403901CA, DUAL 4-IN POS-NAND GATE - Bulk 制造商:Texas Instruments 功能描述: 制造商:Texas Instruments 功能描述:NAND Gate 2-Element 4-IN CMOS 14-Pin CDIP Tube |
| SNJ54HC20W | 制造商:Texas Instruments 功能描述: |
| SNJ54HC21FK | 制造商:Texas Instruments 功能描述:AND Gate 2-Element 4-IN CMOS 20-Pin LCCC Tube 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| SNJ54HC21J | 制造商:Texas Instruments 功能描述:AND Gate 2-Element 4-IN CMOS 14-Pin CDIP Tube 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| SNJ54HC237FK | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
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