參數(shù)資料
型號: 74VCXH16245DT
廠商: ON SEMICONDUCTOR
元件分類: 通用總線功能
英文描述: Low-Voltage 1.8/2.5/3.3V 16-Bit Transceiver
中文描述: ALVC/VCX/A SERIES, DUAL 8-BIT TRANSCEIVER, TRUE OUTPUT, PDSO48
封裝: TSSOP-48
文件頁數(shù): 6/8頁
文件大?。?/td> 91K
代理商: 74VCXH16245DT
74VCXH16245
http://onsemi.com
6
WAVEFORM 1 PROPAGATION DELAYS
t
R
= t
F
= 2.0ns, 10% to 90%; f = 1MHz; t
W
= 500ns
V
IH
0V
V
OH
V
OL
An, Bn
Bn, An
t
PHL
t
PLH
WAVEFORM 2 OUTPUT ENABLE AND DISABLE TIMES
t
R
= t
F
= 2.0ns, 10% to 90%; f = 1MHz; t
W
= 500ns
V
IH
0V
0V
OEn, T/Rn
An, Bn
t
PZH
V
CC
t
PHZ
t
PZL
t
PLZ
An, Bn
Vm
Vm
Vm
Vm
Vm
Vm
Figure 4. AC Waveforms
Vm
V
OH
Vy
Vx
V
OL
Vm
V
CC
Symbol
3.3 V
±
0.3 V
2.5V
±
0.2 V
1.8 V
±
0.15 V
V
IH
2.7 V
V
CC
V
CC
V
m
1.5 V
V
CC
/2
V
CC
/2
V
x
V
OL
+ 0.3 V
V
OL
+ 0.15 V
V
OL
+ 0.15 V
V
y
V
OH
0.3 V
V
OH
0.15 V
V
OH
0.15 V
OPEN
GND
PULSE
GENERATOR
R
T
DUT
V
CC
R
L
R
L
C
L
6V or V
CC
×
2
TEST
SWITCH
t
PLH
, t
PHL
Open
t
PZL
, t
PLZ
6 V at V
= 3.3
±
0.3 V;
V
CC
×
2 at V
CC
= 2.5
±
0.2 V; 1.8 V
±
0.15 V
t
PZH
, t
PHZ
GND
C
L
= 30pF or equivalent (Includes jig and probe capacitance)
R
L
= 500 or equivalent
R
T
= Z
OUT
of pulse generator (typically 50 )
Figure 5. Test Circuit
相關(guān)PDF資料
PDF描述
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