tb62725bpg Marktech Optoelectronics, tb62725bpg Datasheet - Page 7

• Manufacturer Part Number: tb62725bpg
• Description: 8?bit?constant ?current?led?driver?of?the?3.3?v?and?5?v?power?supply?voltage?operation
• Manufacturer: Marktech Optoelectronics

Test Circuit
Switching
Propagation delay time
Output rise time
Output fall time
Maximum clock rise time
Maximum clock fall time
Conditions: (refer to test circuit.)
Note 5: If the device is connected in a cascade and t
V
V
t
(10% to 90%)
r
DD
IL
generator
= t
Logic input
Function
waveform
= 0 V
the timing required for data transfer. Please consider the timings carefully.
f
= V
Characteristics
= 10 ns
T
C
IH
opr
L
Characteristics
= 5 V
= 10.5 pF
= 25°C, V
V
IH
, V
HL
DD
= V
IH
I
ref
(T
CLOCK
SERIAL­IN
ENABLE
LATCH
= 5 V, V
R­EXT
opr
Symbol
t
t
t
t
t
t
t
t
pLH1
pLH2
pLH3
pHL1
pHL2
pHL3
pLH
pHL
t
t
or
of
t
t
r
f
= 25°C unless otherwise specified)
OUT
I
DD
V
CLK to OUTn , LATCH = “H”,
CLK to SERIAL OUT
CLK to OUTn , LATCH = “H”,
CLK to SERIAL OUT
10 to 90% of voltage waveform
90 to 10% of voltage waveform
Cascade connection isn’t guarantee.
= 0.7 V, V
ENABLE = “L”
LATCH to OUTn , ENABLE = “L”
ENABLE to OUTn , LATCH = “H”
ENABLE = “L”
LATCH to OUTn , ENABLE = “L”
ENABLE to OUTn , LATCH = “H”
DD
GND
r
/t
f
7
SERIAL­OUT
for the waveform is large, it may not be possible to achieve
IL
Test Condition
= 0 V, R
OUT0
OUT7
EXT
= 490 W, V
I
OL
TB62725BPG/BFG/BFNG
(Note 5)
C
L
R
C
L
L
L
= 5.0 V, R
Min
¾
¾
¾
¾
¾
¾
40
40
¾
¾
2
2
V
L
Typ.
150
140
140
170
170
170
85
70
¾
¾
5
5
L
= 100 W,
2005­04­20
Max
300
300
300
340
340
340
150
150
¾
¾
5
5
Unit
ns
ns
ns
us
us