參數(shù)資料
型號(hào): 74LV241PWDH
廠商: NXP SEMICONDUCTORS
元件分類: 通用總線功能
英文描述: Octal buffer/line driver 3-State
中文描述: LV/LV-A/LVX/H SERIES, DUAL 4-BIT DRIVER, TRUE OUTPUT, PDSO20
文件頁(yè)數(shù): 7/12頁(yè)
文件大?。?/td> 115K
代理商: 74LV241PWDH
Philips Semiconductors
Product specification
74LV241
Octal buffer/line driver (3-State)
1998 May 20
7
AC WAVEFORMS (Continued)
V
M
= 1.5 V at V
CC
2.7 V; V
M
= 0.5 V
×
V
CC
at V
CC
<
2.7 V
V
X
= V
OL
+ 0.3 V at V
CC
2.7 V; V
X
= V
OL
+ 0.1 V
×
V
CC
at V
CC
<
2.7 V
V
Y
= V
OH
– 0.3 V at V
CC
2.7V; V
Y
= V
OH
– 0.1
×
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.
SV00619
outputs
disabled
outputs
enabled
outputs
enabled
t
PHZ
t
PZH
t
PZL
t
PLZ
HIGOUTPUT
OFF-to-HIGH
LOW-to-OFF
OFF-to-LOW
V
M
V
M
2OE INPUT
V
X
V
OL
V
OH
V
Y
GND
GND
V
CC
V
I
V
M
OUTPUT
Figure 3. 3-State enable and disable times for input 2OE.
TEST CIRCUIT
SWITCH POSITION
PULSE
GENERATOR
R
T
V
I
D.U.T.
V
O
C
L
V
CC
R
L
= 1k
Test Circuit for switching times
Open
GND
S
1
DEFINITIONS
R
L
= Load resistor
C
L
= Load capacitance includes jig and probe capacitance
R
T
= Termination resistance should be equal to Z
OUT
of pulse generators.
V
CC
V
I
< 2.7V
V
CC
TEST
S
1
t
PLH/
t
PHL
Open
2
V
CC
t
PLZ/
t
PZL
2.7V
2.7–3.6V
t
PHZ/
t
PZH
GND
50pF
SV00895
R
L
= 1k
2 * V
CC
Figure 4. Load circuitry for switching times.
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