M54977 Просмотр технического описания (PDF) - Mitsumi
Номер в каталоге
Компоненты Описание
Список матч
M54977 Datasheet PDF : 6 Pages
| |||
MITSUBISHI <CONTROL / DRIVER IC>
M54977P
Bi-CMOS 12-BIT SERIAL-INPUT LATCHED DRIVER
TIMING REQUIREMENTS (Ta=-20 to 75°C, unless otherwise noted)
Symbol
f(T)
tw(T)
tw(L)
tsu
th
td(T-L)
tr(T)
tf(T)
Parameter
Clock frequency
Clock pulse width
Latch pulse width
Data setup time
Data hold time
Clock-latch time
Clock pulse rise time
Clock pulse fall time
Test conditions
Input duty cycle: 40 – 60%
TIMING CHART
Serial input S-IN
2.5V
2.5V
Limits
Min. Typ. Max. Unit
2
MHz
200
ns
200
ns
100
ns
100
ns
400
ns
500 ns
500 ns
tsu
th
Clock
T
2.5V
tw(T)
2.5V
10%
90%
tr(T)
90%
10%
tf(T)
td(T-L)
Latch input LATCH
2.5V
2.5V
tw(L)
SWITCHING CHARACTERISTICS (Ta=25°C, VCC=5V, unless otherwise noted)
Symbol
Parameter
Test conditions
Limits
Min. Typ. Max.
Unit
tPLH
Low-to-high-level output propagation time, From input T to output S-OUT VIH=5V
(0.15) 0.3
µs
tPHL
High-to-low-level output propagation time, From input T to output S-OUT VIL=0V
(0.15) 0.3
µs
tPLH
Low-to-high-level output propagation time, From input T to output ON
RL(S-OUT)=∞
(2)
10
µs
tPHL
High-to-low-level output propagation time, From input T to output ON
RL(ON)=100Ω
(0.5)
2
µs
tPLH
Low-to-high-level output propagation time, From input EN to output ON
(N=1–12)
tPHL
High-to-low-level output propagation time, From input EN to output ON
CL=15pF
(2)
10
µs
(0.5)
2
µs
TIMING CHART
Clock
T
Serial output S-OUT
2.5V
tPLH
2.5V
2.5V
tPHL
2.5V
Enable input
EN
Output
ON
tPLH
2.5V
tPHL
2.5V
2.5V
tPLH
2.5V
2.5V
tPHL
2.5V
Share Link: 