MSM9026 查看數據表（PDF） - Mosel Vitelic, Corp
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MSM9026 Datasheet PDF : 6 Pages
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MOSEL VITELIC
MSM9026
Features (continued)
A 3x6 jumper header is provided on EAC area to
select drive circuit for 3 trigger inputs.
A transistor 8050 is provided on EAC area to
drive the current running through speaker.
The board's AC characteristics is not identical
to chip's.
The board's DC characteristics is not identical to
chip's.
The board's behavior is not identical to
chip's.
Neither identical to S1207's derivatives.
DC Characteristics
Symbol Parameter
Valid
Min Typ. Max. Unit Remark
V iL
input low V
TGA,B,C
0.9 V
V ih
input high V
TGA,B,C
3.15
V
V oL output low V
OS,W,X,Y,Z
0.1 V
V oh output high V
OS,W,X,Y,Z Vcc-0.1
V
I iL
input low I
TGA,B,C
-1
uA
I ih
input high I
TGA,B,C
1
uA
I oL
output high I
OS,W,X,Y,Z
4
mA V0=0.4V
I oh
output high I
OS,W,X,Y,Z
-4
mA V0=Vcc-0.8
I co
Current output
Cout
2.2
mA 5 Vdd
I co
Current output
Cout
2.8
mA 6 Vdd
The DC characteristics of TGs input and outputs are the same as those of 74Cxx series.
AC Characteristics
Symbol
t STP
tT
tT
tT
tT
tT
tT
tT
tT
f
f
f
f
f
f
f
f
Parameter
Stop pulse width
Trigger pulse width
Trigger pulse width
Trigger pulse width
Trigger pulse width
Trigger pulse width
Trigger pulse width
Trigger pulse width
Trigger pulse width
Valid
OS,W,X,Y,Z
TGA,B,C
TGA,B,C
TGA,B,C
TGA,B,C
TGA,B,C
TGA,B,C
TGA,B,C
TGA,B,C
LED
LED
LED
LED
LED
LED
LED
LED
SRI := Sample Rate Independent.
Min Typ. Max. Unit Remark
30
ms pitch independent
10
ms pitch = 0, SRI
13
ms pitch = 1, SRI
15
ms pitch = 2, SRI
17
ms pitch = 3, SRI
20
ms pitch = 4, SRI
23
ms pitch = 5, SRI
25
ms pitch = 6, SRI
27
ms pitch = 7, SRI
198%
f led pitch = 0, SRI
158%
f led pitch = 1, SRI
133%
f led pitch = 2, SRI
115%
f led pitch = 3, SRI
100%
f led pitch = 4, SRI
88%
f led pitch = 5, SRI
80%
f led pitch = 6, SRI
73%
f led pitch = 7, SRI
3/6
PID342 10/96
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