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參數(shù)資料
| 型號： | 74ALS623AN |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 通用總線功能 |
| 英文描述： | Transceivers |
| 中文描述： | ALS SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, PDIP20 |
| 封裝： | 0.300 INCH, PLASTIC, DIP-20 |
| 文件頁數(shù)： | 8/11頁 |
| 文件大?。?/td> | 103K |
| 代理商： | 74ALS623AN |
Philips Semiconductors
Product specification
74ALS620A/74ALS620A-1
74ALS623A/74ALS623A-1
Transceivers
1991 Feb 08
8
AC WAVEFORMS
For all waveforms, V
M
= 1.3V.
A
n
, B
n
B
n,
A
n
t
PHL
V
M
V
M
V
M
V
M
t
PLH
SF00773
Waveform 1.
Propagation Delay for Inverting Outputs
V
M
V
M
V
M
V
M
Bn, An
An, Bn
t
PLH
t
PHL
SF00202
Waveform 2.
Propagation Delay for Non-inverting Outputs
SF00412
V
M
V
M
V
M
t
PHZ
t
PZH
V
OH
-0.3V
0V
An or Bn
OEBA
OEAB
Waveform 3.
3-State Output Enable Time to High Level
and Disable Time from High Level
TEST CIRCUIT AND WAVEFORMS
SF00413
V
M
V
M
V
M
t
PLZ
t
PZL
V
OL
+0.3V
An or Bn
OEBA
OEAB
Waveform 4.
3-State Output Enable Time to Low Level
and Disable Time from Low Level
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 Outputs
SWITCH POSITION
TEST
SWITCH
t
PLZ
, t
PZL
closed
All other
open
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
SC00072
R
L
7.0V
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| 74ALS623A-1 | DSUB B/S DE STRT PLAST 1 |
| 74ALS645A-1D | Single 8-bit Bus Transceiver |
| 74ALS646-1 | Octal transceiver/register, non-inverting (3-State)(八通道收發(fā)器/寄存器，同相（三態(tài)）) |
| 74ALS646 | Transceiver/register |
| 74ALS646-1D | Transceiver/register |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 74ALS638A1N | 制造商:Texas Instruments 功能描述: |
| 74ALS645A | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Octal transceiver 3-State |
| 74ALS645A-1 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Octal transceiver 3-State |
| 74ALS645A-1D | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Single 8-bit Bus Transceiver |
| 74ALS645A-1N | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Octal transceiver 3-State |
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