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SCD55100A Datasheet, PDF (6/17 Pages) OSRAM GmbH – Dot Addressable Intelligent Display® Devices
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SCD55100A, SCD55101A, SCD55102A, SCD55103A, SCD55104A
Pin Assignment
Pin
Function
1
SDCLK
2
LOAD
3
NC
4
NC
5
NC
6
VCC
7
NP
8
NP
9
VCC
10
NC
11
NC
12
NC
13
RST
14
GND
Pin
Function
28
GND
27
DATA
26
NC
25
NC
24
NC
23
VCC
22
NP
21
NP
20
VCC
19
VCC
18
NC
17
NC
16
CLKSEL
15
CLK I/O
Switching Specifications
(over operating temperature range and VCC=4.5 V to 5.5 V)
Symbol Description
Min.
Units
TRC
Reset Active Time
600
ns
TLDS
Load Setup Time
50
ns
TDS
Data Setup Time
50
ns
TSDCLK
Clock Period
200
ns
TSDCW
Clock Width
70
ns
TLDH
Load Hold Time
0
ns
TDH
Data Hold Time
25
ns
TWR
Total Write Time
2.2
µs
TBL
Time Between Loads
600
ns
Note: TSDCW is the minimum time the SDCLK may be low or high.
The SDCLK period must be a minimum of 200 ns.
Dot Matrix Format
2.03 (0.080)
mm (inch)
C0 C1 C2 C3 C4
R0
R1
R3
R4
R5
0.56 (0.022) typ.
Tolerance: ±0.25 (0.010)
IDOD5212
Pin Definitions
Pin Function Definitions
1
SDCLK Loads data into the 8-bit serial data register
on a low to high transition.
2
LOAD
Low input enables data clocking into 8-bit
serial shift register. When LOAD goes high,
the contents of 8-bit serial Shift Register will
be decoded.
3
NC
No connection
4
NC
No connection
5
NC
No connection
6
VCC
7
NP
Power supply/heat sink
No pin
8
NP
No pin
9
VCC
10 NC
Power supply/heat sink
No connection
11 NC
No connection
12 NC
No connection
13 RST
Asynchronous input, when low will clear the
Multiplex Counter, User RAM and Data
Register. Control Word Register is set to
100% brightness and the Address Register is
set to select Digit 0. The display is blanked.
14 GND
Power supply ground
15 CLK I/O Outputs master clock or inputs external clock.
16 CLKSEL H=internal clock, L=external clock
17 NC
No connection
18 NC
No connection
19
VCC
20
VCC
21 NP
Power supply/heat sink
Power supply/heat sink
No pin
22 NP
No pin
23
VCC
24 NC
Power supply/heat sink
No connection
25 NC
No connection
26 NC
No connection
27 DATA
Serial data input
28 GND
Power supply ground
2006-02-20
6
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