Velleman 4-Digit Display Datasheet-2

LED Drive Control Special Circuit TM1637
10
©Titan Micro Electronics www.titanmec.com
V2.4
Input current
II
-
-
±1
μA
VI = VDD / VSS
High-level input voltage
VIH
0.7
VDD
-
V
CLK，DIN
Low-level input voltage
VIL
-
-
0.3
VDD
V
CLK，DIN
Lagging voltage
VH
-
0.35
-
V
CLK，DIN
dynamic current loss
IDDdyn
-
-
5
mA
Non-loaded, display
OFF
4、Switching character (Ta = -40 - +85℃, VDD = 4.5 - 5.5 V, Vss = 0 V)
Parameters
Symbol
Mini
mum
Typical
Maxi
mum
Unit
Test condition
oscillation frequency
fosc
-
450
-
KHz
Transmission delay
time
tPLZ
-
-
300
ns
CLK → DIO
tPZL
-
-
100
ns
CL = 15pF, RL = 10K Ω
Rise time
TTZH 1
-
-
2
μs
CL =
300p F
GRID1～
GRID6
TTZH 2
-
-
0.5
μs
SEG1～
SEG8
Fall time
TTHZ
-
-
120
μs
CL = 300pF，Segn，
Gridn
Maximum clock
frequency
Fmax
-
-
500
KHz
占空比50%
50% duty ratio
Input capacitance
CI
-
-
15
pF
-
5、Timing character (Ta = -40 - +85℃, VDD = 4.5 - 5.5 V, Vss = 0 V)
Parameters
Symbol
Minimu
m
Typical
Maximu
m
Unit
Test condition
Clock pulse width
PWCLK
400
-
-
ns
-
Data setup time
tSETUP
100
-
-
ns
-
Data hold time
tHOLD
100
-
-
ns
-
Waiting time
tWAIT
1
-
-
μs
CLK↑→CLK↓