參數(shù)資料
型號: 74ALS646-1
廠商: NXP Semiconductors N.V.
英文描述: Octal transceiver/register, non-inverting (3-State)(八通道收發(fā)器/寄存器,同相(三態(tài)))
中文描述: 八路收發(fā)器/寄存器,非反相(3態(tài))(八通道收發(fā)器/寄存器,同相(三態(tài)))
文件頁數(shù): 10/13頁
文件大?。?/td> 155K
代理商: 74ALS646-1
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(guān)PDF資料
PDF描述
74ALS646 Transceiver/register
74ALS646-1D Transceiver/register
74ALS646-1N Transceiver/register
74ALS646D Transceiver/register
74ALS646N Transceiver/register
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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