參數(shù)資料
型號: 74LVC240
廠商: NXP Semiconductors N.V.
英文描述: Octal buffer/line driver with 5-volt tolerant inputs/outputs; inverting 3-State
中文描述: 八路緩沖器/線路驅(qū)動器5伏容限輸入/輸出;反相三態(tài)
文件頁數(shù): 6/11頁
文件大?。?/td> 96K
代理商: 74LVC240
Philips Semiconductors
Product specification
74LVC240A
Octal buffer/line driver with 5-volt
tolerant inputs/outputs; inverting (3-State)
1998 May 20
6
AC WAVEFORMS
V
M
= 1.5V at V
V
and V
OH
are the typical output voltage drop that occur with the
output load.
V
X
= V
OL
+ 0.3V at V
CC
2.7V; V
X
= V
OL
+ 0.1 V
CC
at V
CC
V
Y
= V
OH
–0.3V at V
CC
2.7V; V
Y
= V
OH
– 0.1 V
CC
at V
CC
2.7V; V
= 0.5 V
at V
2.7V.
2.7V
2.7V
INPUTS
V
M
t
PHL
t
PLH
V
OL
V
I
V
M
GND
V
OH
OUTPUTS
SW00221
Waveform 1. Inputs (1A
n
, 2A
n
) to outputs (1Y
n
, 2Y
n
)
propagation delays.
SV00613
outputs
outputs
enabled
outputs
t
PHZ
t
PZH
t
PZL
t
PLZ
Q
OUTPUT
HIGH-to-OFF
OFF-to-HIGH
Q
OUTPUT
LOW-to-OFF
V
M
V
M
nOE INPUT
V
X
V
OL
V
OH
V
Y
GND
GND
V
CC
V
I
V
M
Waveform 2. 3-State enable and disable times.
TEST CIRCUIT
PULSE
GENERATOR
R
T
V
IN
D.U.T.
V
OUT
50pF
V
CC
SWITCH POSITION
TEST
t
PLH
/t
PHL
t
PLZ
/t
PZL
t
PHZ
/t
PZH
SWITCH
Open
2
V
CC
GND
Test Circuit for 3-State Outputs
Open
GND
S
1
2
V
CC
DEFINITIONS
R
T
=Termination resistance should be equal to Z
OUT
of pulse generators.
V
CC
2.7V
2.7 – 3.6V
V
I
V
CC
2.7V
SW00233
500
500
Waveform 3. Load circuitry for switching times.
相關PDF資料
PDF描述
74LVC240A Octal buffer/line driver with 5-volt tolerant inputs/outputs; inverting (3-State)(反相,5V輸入/輸出容限的八緩沖器/線驅(qū)動器(三態(tài)))
74LVC241A Octal D-Type Flip-Flops With Clear 20-TSSOP -40 to 85
74LVC257APWDH Quad 2-input multiplexer with 5 Volt tolerant inputs/outputs 3-State
74LVC257A Quadruple 2-Input Positive-OR Gates 14-SOIC -40 to 85
74LVC273 Quadruple 2-Input Positive-OR Gates 14-SOIC -40 to 85
相關代理商/技術參數(shù)
參數(shù)描述
74LVC240ABQ 制造商:NXP Semiconductors 功能描述:IC OCT BUFF/DRV TRI-ST DHV
74LVC240ABQ,115 功能描述:緩沖器和線路驅(qū)動器 3.3V OCT BUFF/LINE 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 安裝風格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Reel
74LVC240ABQ-G 功能描述:緩沖器和線路驅(qū)動器 3.3V OCT BUFF/LINE DVR INV 3-S 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 安裝風格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Reel
74LVC240AD 制造商:NXP Semiconductors 功能描述:Octal line driver,Tristate,74LVC240AD
74LVC240AD,112 功能描述:緩沖器和線路驅(qū)動器 3.3V OCTAL 3-S BUF INV 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 安裝風格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Reel