參數(shù)資料
型號: 74LV4040
廠商: NXP Semiconductors N.V.
元件分類: 通用總線功能
英文描述: 12-stage binary ripple counter
中文描述: 12位的二進制紋波計數(shù)器
文件頁數(shù): 8/14頁
文件大?。?/td> 133K
代理商: 74LV4040
Philips Semiconductors
Product specification
74LV4040
12-stage binary ripple counter
1998 Jun 23
8
AC WAVEFORMS
V
M
= 1.5V at V
CC
V
M
= 0.5V * V
CC
at V
CC
V
OL
and V
OH
are the typical output voltage drop that occur with the
output load.
2.7V
3.6V
2.7V and
4.5V
V
M
CP INPUT
Q
n
OUTPUT
V
OL
V
OH
GND
V
I
V
M
t
PLH
t
PHL
tW
1/
fmax
SV00322
Figure 7. Clock (CP) to output (Q
n
) propagation delays, the
clock pulse width and the maximum clock pulse frequency
MR INPUT
CP INPUT
V
I
V
OH
V
I
GND
GND
GND
Qn OUTPUT
t
rem
t
PHL
t
W
SV00908
Figure 8. Master reset (MR) pulse width, the master reset to
output (Q
n
) propagation delays and the master reset to clock
(CP) removal time
TEST CIRCUIT
PULSE
GENERATOR
R
T
V
I
D.U.T.
V
O
C
L
R
L
= 1k
V
CC
Test Circuit for switching times
DEFINITIONS
R
L
= Load resistor
C
L
= Load capacitance includes jig and probe capacitance
V
CC
V
I
< 2.7V
V
CC
TEST
t
PLH/
t
PHL
R
T
= Termination resistance should be equal to Z
OUT
of pulse generators.
50pF
SV00901
2.7–3.6V
2.7V
Figure 9.Load circuitry for switching times
相關(guān)PDF資料
PDF描述
74LV4040D 12-stage binary ripple counter
74LV4040DB 12-stage binary ripple counter
74LV4040N 12-stage binary ripple counter
74LV4051 8-channel analog multiplexer/demultiplexer(八通道模擬多路復用器/多路分解器)
74LV4051PWDH 8-channel analog multiplexer/demultiplexer
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
74LV4040A 制造商:TI 制造商全稱:Texas Instruments 功能描述:12-BIT ASYNCHRONOUS BINARY COUNTERS
74LV4040D 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:12-stage binary ripple counter
74LV4040DB 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:12-stage binary ripple counter
74LV4040DB-T 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Asynchronous Up Counter
74LV4040D-T 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Asynchronous Up Counter