ml9227 Oki Semiconductor, ml9227 Datasheet - Page 11

• Manufacturer Part Number: ml9227
• Description: 27-bit Duplex/triplex Vfd Controller/driver With Digital Dimming, Adc And Key Scan
• Manufacturer: Oki Semiconductor

Key scan Characteristics
Rotary switch characteristic
Parameter
Phase input time
Phase input fixed time
Rotary switch input timing
Key scan Timing
OKI Semiconductor
Key scan Cycle Time
Key scan Pulse Width
A
B
ROW1
ROW2
ROW3
ROW4
ROW5
Parameter
tABW
tABH
Sign
t
t
ABW
ABH
tABW
R = 10 kΩ ±5%, Co = 27 pF ±5%
R = 10 kΩ ±5%, Co = 27 pF ±5%
Key scan Pulse
R = 10 kΩ ±5%, Co = 27 pF ±5%
tABH
Width
Key scan Cycle Time
Condition
tABW
Condition
tABW
(Ta = –40 to +85°C, V
(Ta = –40 to +85°C, V
Min.
160
32
Min.
950
Typ.
194
39
Typ.
—
DISP
DISP
Max.
246
49
= 8.0 to 18.5 V)
Max.
= 8.0 to 18.5 V)
—
FEDL9227-01
ML9227
Unit
Unit
11/26
µs
µs
µs