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參數(shù)資料
| 型號： | 74ALS646-1D |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 通用總線功能 |
| 英文描述： | Transceiver/register |
| 中文描述： | ALS SERIES, 8-BIT REGISTERED TRANSCEIVER, TRUE OUTPUT, PDSO24 |
| 封裝： | PLASTIC, SOL-24 |
| 文件頁數(shù)： | 10/13頁 |
| 文件大小： | 155K |
| 代理商： | 74ALS646-1D |
Philips Semiconductors
Product specification
74ALS646/74ALS646-1
74ALS648/74ALS648-1
Transceiver/register
1991 Feb 08
10
TEST CIRCUIT AND WAVEFORMS
t
w
90%
V
M
10%
90%
V
M
10%
90%
V
M
10%
90%
V
M
10%
NEGATIVE
PULSE
POSITIVE
PULSE
t
w
AMP (V)
0.3V
0.3V
t
THL (
t
f
f
)
INPUT PULSE REQUIREMENTS
Rep.Rate
t
w
t
TLH
2.0ns
t
THL
2.0ns
1MHz
500ns
Input Pulse Definition
V
CC
Family
74ALS
D.U.T.
PULSE
GENERATOR
R
L
C
L
R
T
V
IN
V
OUT
Test Circuit for 3-State and Open Collector Outputs
DEFINITIONS:
R
L
=
Load resistor;
see AC electrical characteristics for value.
Load capacitance includes jig and probe capacitance;
see AC electrical characteristics for value.
Termination resistance should be equal to Z
OUT
of
pulse generators.
C
L
=
R
T
=
t
THL (
t
f
)
t
TLH (
t
r
)
t
TLH (
t
r
)
AMP (V)
Amplitude
3.5V
1.3V
V
M
SC00126
R
L
7.0V
SWITCH POSITION
TEST
t
PLZ
, t
PZL
open collector
All other
SWITCH
closed
closed
open
相關PDF資料 |
PDF描述 |
|---|---|
| 74ALS646-1N | Transceiver/register |
| 74ALS646D | Transceiver/register |
| 74ALS646N | Transceiver/register |
| 74ALS648 | Transceiver/register |
| 74ALS648-1 | Transceiver/register |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| 74ALS646-1N | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Transceiver/register |
| 74ALS646D | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Transceiver/register |
| 74ALS646FN | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| 74ALS646N | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Transceiver/register |
| 74ALS647-1NT | 制造商:Rochester Electronics LLC 功能描述:- Tape and Reel |
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