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參數(shù)資料
| 型號： | 74LVC125D |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 通用總線功能 |
| 英文描述： | Quad buffer/line driver; 3-State |
| 中文描述： | LVC/LCX/Z SERIES, QUAD 1-BIT DRIVER, TRUE OUTPUT, PDSO14 |
| 文件頁數(shù)： | 5/10頁 |
| 文件大?。?/td> | 103K |
| 代理商： | 74LVC125D |
Philips Semiconductors
Product specification
74LVC125
Quad buffer/line driver; 3-State
1997 Mar 18
5
AC CHARACTERISTICS
GND = 0 V; t
r
= t
f
= 2.5 ns; C
L
= 50 pF; R
L
= 500 ; T
amb
= –40 C to +85 C.
LIMITS
SYMBOL
PARAMETER
WAVEFORM
V
CC
= 3.3V
±
0.3V
MIN
TYP
1
V
CC
= 2.7V
TYP
V
CC
= 1.2V
TYP
UNIT
MAX
MIN
MAX
t
PHL
t
PLH
t
PZH
t
PZL
t
PHZ
t
PLZ
Propagation delay
nA to nY
Figure 1, 3
3.5
6.5
3.9
7.0
ns
3-state output enable
time nOE to nY
Figure 2, 3
3.8
7.0
4.4
8.0
ns
3-state output disable
time nOE to nY
Figure 2, 3
3.3
5.5
4.0
6.5
ns
NOTE:
1. These typical values are at V
CC
= 3.3V and T
amb
= 25
°
C.
AC WAVEFORMS
V
M
= 1.5 V at V
CC
V
M
= 0.5
×
V
CC
at V
CC
< 2.7 V
V
OL
and V
OH
are the typical output voltage drop that occur with the
output load.
V
X
= V
OL
+ 0.3 V at V
CC
≥
2.7 V;
V
X
= V
OL
+ 0.1
×
V
CC
at V
CC
< 2.7 V;
V
Y
= V
OH
– 0.3 V at V
CC
≥
2.7 V;
V
Y
= V
OH
– 0.1
×
V
CC
at V
CC
< 2.7 V.
2.7 V
SV00459
VM
nA INPUT
nY OUTPUT
VM
tPLH
tPHL
GND
V
l
VOL
VOH
Figure 1. Input (nA) to output (nY) propagation delays.
SV00458
outputs
outputs
outputs
enabled
tPHZ
tPZH
tPZL
tPLZ
VX
VY
VM
VM
nOE Input
VI
GND
VCC
VOL
VOH
HIGOUTPUT
GND
LOOUTPUT
VM
Figure 2. 3-State enable and disable times.
TEST CIRCUIT
PULSE
GENERATOR
V
I
R
T
D.U.T.
V
O
C
L
50pF
S
1
2
Open
GND
V
CC
500
500
V
CC
V
I
2.7V
V
CC
2.7V
2.7V – 3.6V
Test
S
1
GND
t
PLZ
/t
PZL
t
PHZ
/t
PZH
2
V
CC
t
PLH
/t
PHL
Open
SY00003
V
CC
Figure 3. Load circuitry for switching times.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 74LVC125DB | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Quad buffer/line driver; 3-State |
| 74LVC125PW | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Quad buffer/line driver; 3-State |
| 74LVC125PWDH | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Quad buffer/line driver; 3-State |
| 74LVC126A | 制造商:TI 制造商全稱:Texas Instruments 功能描述:QUADRUPLE BUS BUFFER GATE WITH 3-STATE OUTPUTS |
| 74LVC126ABQ | 制造商:NXP Semiconductors 功能描述:IC QD BUFF/DRIVER TRI-ST DH |
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