GOSTON ELECTRONICS CO.,LTD
SM1628 LED v1.5
SM1628
SM1628 LED , MCU 、、 LED 、。 ,①。
CMOS VDD 3.3V-5.0V :4 ×13 —7 ×10 :10×2 ( 8 ) (CLK,STB,DI/O) : RC ESD HBM:>8KV :SOP28
VCD/DVD/DVB LED
SOP28
:400-033-6518
www.linkage66.com
-1-
[email protected]
GOSTON ELECTRONICS CO.,LTD
DI/O CLK
More View
STB
KEY1、KEY2
/
……
SM1628 LED v1.5
SEG1
SEG10
SEG12/GRID7 SEG13/GRID6 SEG14/GRID5
GRID4
GRID1
VDD GND
NC DI/O
CLK STB
KEY1—KEY2 SEG1/KS1—SEG10/KS10 SEG12/GRID7—SEG14/GRID5 VDD GRID3—GRID4 GND GRID1—GRID2
- 1
/ 2
。,。 ,
3
。,
4
。,
,STB 。 STB ,CLK
5—6
8—17 P ,
/
18—20 /
7,21 5V±10%
23—24 N
22,25,28
26—27 N
:400-033-6518
www.linkage66.com
-2-
[email protected]
GOSTON ELECTRONICS CO.,LTD
(Ta = 25℃)
SM1628 LED v1.5
VDD -0.5——+7.0
V
VCLK,VSTB,VDI/O
-0.5——VDD + 0.5
V
LED SEG
ISEG
-50
mA
LED GRID
IGRID
700
mA
(Ta = 25℃)
TOPT TSTG
-40——+80 -65——+150
℃ ℃
VDD -
3.3 5.0 5.5
V
VIH -
0.7VDD
-
VDD V
VIL -
0
-
0.3VDD
V
IDD VDD=5.0V,,
- - 1.2 mA
SEG
ISEG
VDD=5.0V,SEG 2Ω GND
-
-47
-
mA
GRID
IGRID
VDD=5.0V,GRID 2Ω VDD
-
650
-
mA
KEY
RKEY
-
10 - 25 KΩ
DI/O、CLK、STB
R
-
- 15 - KΩ
GRID
fGRID VDD=5.0V
- 210 - Hz
tPLZ VDD=5.0V,CLK→DI/O tPZL RUP = 10 KΩ,CL=15pF
- 75 - ns - 50 - ns
tTZH(SEG)
VDD=5.0V,SEGn 100Ω , -
6
- ns
tTLZ(GRID)
GRIDn 10Ω ,CL=15pF
-
14
-
ns
tTHZ(SEG)
- 10 - ns
tTZL(GRID)
- 27 - ns
fCLK(max)
(VDD=5.0V,Ta = 25℃)
50%
- - 1 MHz
PWCLK
500 -
- ns
PWSTB
1 - - μs
tSETUP
100 -
- ns
tHOLD
100 -
- ns
CLK → STB
tCLK STB
CLK↑→ STB↑
1 - - μs
:400-033-6518
www.linkage66.com
-3-
[email protected]
GOSTON ELECTRONICS CO.,LTD
STB
PWCLK
PWCLK
CLK
tSETUP
tHOLD
DIN
DOUT GRIDn
tTZL
90% 10%
tTZH
tPZL
tTLZ 90%
10% tTHZ
SEGn
90% 10%
90% 10%
*:DIN DOUT PAD , DI/O。
SM1628 LED v1.5
PWSTB tCLK STB
tPLZ
:400-033-6518
www.linkage66.com
-4-
[email protected]
GOSTON ELECTRONICS CO.,LTD
SM1628 LED v1.5
SM1628 ,:
X X SEG14 SEG13 SEG12 X SEG10 SEG9 SEG8 SEG7 SEG6 SEG5 SEG4 SEG3 SEG2 SEG1
b0 b1 b2 b3 b4 b5 b6 b7 b0 b1 b2 b3 b4 b5 b6 b7
00H
01H
GRID1
02H
03H
GRID2
04H
05H
GRID3
06H
07H
GRID4
08H
09H
GRID5
0AH
0BH
GRID6
0CH
0DH
GRID7
10×2bit,:
,,:
b0 b1 b2 b3 b4 b5 b6 b7
KEY1
KEY2
-
KEY1
KEY2
-
-
- KEY
SEG1/KS1 X SEG2/KS2 X X X
SEG3/KS3 X SEG4/KS4 X X X ,
SEG5/KS5 X SEG6/KS6 X X X
SEG7/KS7 X SEG8/KS8 X X X
SEG9/KS9
X SEG10/KS10 X X X
:400-033-6518
www.linkage66.com
-5-
[email protected]
GOSTON ELECTRONICS CO.,LTD
SM1628 LED v1.5
LED 。 STB DI/O 。
STB ,,(
)。
(4—7 ,10—13 ), 7 10 ②。,
,。,/“ON”,,
。
MSB
LSB
0 0 --- --