M7E-12DKN2 Omron, M7E-12DKN2 Datasheet - Page 8

• Manufacturer Part Number: M7E-12DKN2
• Description: Thumbwheel Switch
• Manufacturer: Omron
• Series: M7Er

Specifications of M7E-12DKN2

• Number Of Digits/alpha: 1
• Size / Dimension: *
• Digit/alpha Size: 4.75" (120mm)
• Display Type: 7-Segment
• Common Pin: *
• Color: Red
• Voltage - Forward (vf) Typ: *
• Current - Test: *
• Millicandela Rating: *
• Wavelength - Peak: *
• Power Dissipation (max): *
• Emitting Color: Green/Orange/Red
• Number Of Digits: 1
• Package Type: Module
• Operating Supply Voltage (typ): 3.3/5V
• Operating Supply Voltage (max): 5.5V
• Operating Temperature Classification: Commercial
• Mounting: Surface Mount
• Pin Count: 16
• Opto Display Type: Module
• Pattern Type: Segmented
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Package / Case: -
• Lead Free Status / Rohs Status: Compliant
• Other names: M7E12DKN2

Operation
■ Operation Timing (Input Signal Timing)
■ Operation Chart
The following example shows the relationship between each input terminal and the display condition.
Terminal
displayed
value
Input
signals
Display
condition
Remarks
A
(2
B
(2
C
(2
D
(2
DP
BI
LE
Data
0
1
2
3
)
)
)
)
H
L
H
L
H
L
H
L
H
L
H
L
H
L
The “1” display is retained by
the LE signal.
0
1
2
The “5” display is retained
by the LE signal.
3
4
Negative Logic
Data input
signals A to D
Latching
input LE
5
H
L
tw: Pulse duration
t h: Hold time
t s: Setup time
Data latch
The display turned OFF by
the BI signal (no display).
6
Data read
ts
(No display)
tw
7
th
Data latch
8
Pulse duration (tw)
Hold time (th)
Setup time (ts)
9
Inputs the data signal
as BCD (or binary
code).
Low when the decimal
point lights. The
decimal point can light
without regard to the LE
signal.
Low when the display is
turned OFF.
Low when the display is
to be retained. (High is
retained until the signal
goes low.)
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Description
1.5 ms
0.75 ms
2.25 ms
M7E
8