參數(shù)資料
型號: M74LCX16245DTR2G
廠商: ON SEMICONDUCTOR
元件分類: 通用總線功能
英文描述: Low−Voltage CMOS 16−Bit Transceiver With 5 V−Tolerant Inputs and Outputs (3−State, Non−Inverting)
中文描述: LVC/LCX/Z SERIES, DUAL 8-BIT TRANSCEIVER, TRUE OUTPUT, PDSO48
封裝: LEAD FREE, TSSOP-48
文件頁數(shù): 6/8頁
文件大?。?/td> 104K
代理商: M74LCX16245DTR2G
MC74LCX16245
http://onsemi.com
6
An, Bn
WAVEFORM 1 PROPAGATION DELAYS
t
R
= t
F
= 2.5 ns, 10% to 90%; f = 1 MHz; t
W
= 500 ns
V
CC
0 V
V
OH
V
OL
An, Bn
Bn, An
t
PLH
t
PHL
WAVEFORM 2 OUTPUT ENABLE AND DISABLE TIMES
t
R
= t
F
= 2.5 ns, 10% to 90%; f = 1 MHz; t
W
= 500 ns
0 V
OEn,T/Rn
An, Bn
t
PZH
t
PHZ
t
PZL
t
PLZ
Vmo
Vmo
Vmi
Vmi
Vmo
Vmo
Figure 3. AC Waveforms
Vmi
V
OH
V
HZ
V
OL
V
CC
V
LZ
Table 2. AC WAVEFORMS
Symbol
V
CC
3.3 V
±
0.3 V
2.7 V
2.5 V
0.2 V
Vmi
1.5 V
1.5 V
V
CC
/ 2
Vmo
1.5 V
1.5 V
V
CC
/ 2
V
HZ
V
OL
+ 0.3 V
V
OL
+ 0.3 V
V
OL
+ 0.15 V
V
LZ
V
OH
0.3 V
V
OH
0.3 V
V
OH
0.15 V
OPEN
GND
PULSE
GENERATOR
R
T
DUT
V
CC
R
L
R
1
C
L
6 V or V
CC
x 2
Figure 4. Test Circuit
Table 3. TEST CIRCUIT
TEST
SWITCH
t
PLH
, t
PHL
Open
t
PZL
, t
PLZ
6 V at V
CC
= 3.3
6 V at V
CC
= 2.5
0.3 V
0.2 V
Open Collector/Drain t
PLH
and t
PHL
6 V
t
PZH
, t
PHZ
GND
C
L
= 50 pF at V
CC
= 3.3
C
L
= 30 pF at V
CC
= 2.5
R
L
= R
1
= 500 or equivalent
R
T
= Z
OUT
of pulse generator (typically 50 )
0.3 V or equivalent (includes jig and probe capacitance)
0.2 V or equivalent (includes jig and probe capacitance)
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