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參數(shù)資料
| 型號(hào)： | 74LVC125 |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | Quad buffer/line driver; 3-State |
| 中文描述： | 四緩沖/線驅(qū)動(dòng)器；3態(tài)； |
| 文件頁數(shù)： | 5/10頁 |
| 文件大?。?/td> | 103K |
| 代理商： | 74LVC125 |
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) |
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|---|---|
| 74LVC125A | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:LOW VOLTAGE CMOS QUAD BUS BUFFERS (3-STATE) HIGH PERFORMANCE |
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| 74LVC125ABQ,115 | 功能描述:緩沖器和線路驅(qū)動(dòng)器 QUAD BUFFR/LINE DRVR RoHS:否 制造商:Micrel 輸入線路數(shù)量:1 輸出線路數(shù)量:2 極性:Non-Inverting 電源電壓-最大:+/- 5.5 V 電源電壓-最小:+/- 2.37 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Reel |
| 74LVC125ABQ,115-CUT TAPE | 制造商:NXP 功能描述:74LVC Series 3.6 V 3-State Quad Buffer/Line Driver - DHVQFN-14 |
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