MSM6794 Просмотр технического описания (PDF) - Oki Electric Industry
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MSM6794 Datasheet PDF : 34 Pages
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¡ Semiconductor
MSM6794
ELECTRICAL CHARACTERISTICS
DC Characteristics (1)
Parameter
"H" input voltage 1
"H" input voltage 2
"H" input voltage 3
"L" input voltage 1
"L" input voltage 2
"L" input voltage 3
Symbol
VIH1
VIH2
VIH3
VIL1
VIL2
VIL3
Condition
—
—
—
—
—
—
Min.
0.8VDD
0.8VDD
0.8VDD
0
0
0
"H" input current 1
IIH1
VI=VDD
—
"H" input current 2
IIH2
VI=VDD
–5
"L" input current I
IIL1
VI=0V
–5
"L" input current 2
IIL2
VI=0V
–5
OFF leakage
current
Ioff
VI=VDD or 0V
–5
"H" output voltage 1 VOH1
IO=–1.0mA 0.9VDD
"H" output voltage 2 VOH2
IO=–1.0mA 0.9VDD
"L" output voltage 1 VOL1
IO=1.0mA
—
"L" output voltage 2 VOL2
Multiplied voltage 1
Doubler output
VDB
Multiplied voltage 2
Tripler output
VTR
IO=1.0mA
IO=–500µA
fosc=350kHz
IO=–500µA
fosc=350kHz
—
VIN×2
–0.5
VIN×3
–1.0
COM output
resistance
RC
IO=±50µA
—
SEG output
resistance
RS
IO=±20µA
—
During display
Supply Current 1
IDD1 External clock —
fosc = 350kHz
During display
Supply Current 2
Internal
IDD2
oscillation
—
fosc = 350kHz
(VDD=2.7 to 4.5V, VBI=5 to 12V, Ta=–25 to +85˚C)
Typ. Max. Unit.
Applicable Pin
—
VDD
V
OSC1
—
VDD
V DB0-7, LCDCK, FLM, DF
—
VDD
V
Other input pins
— 0.2VDD V
OSC1
— 0.2VDD V DB0-7, LCDCK, FLM, DF
— 0.2VDD Unit.
Other input pins
Input pins excluding
—
5
µA
DB0-7, LCDCK,
FLM and DF
—
5
µA DB0-7, LCDCK, FLM, DF
Input pins excluding
—
— µA
DB0-7, LCDCK,
FLM and DF
—
5
µA DB0-7, LCDCK, FLM, DF
—
5
µA
SO
—
—
V CO, LCDCK, FLM, DF, SO
—
—
V
DB0 to DB7
— 0.1VDD V CO, LCDCK, FLM, DF, SO
— 0.1VDD V
DB0 to DB7
—
—
V
VS2
—
—
V
VS2
—
10 kΩ
COM1 to COM48
—
20 kΩ
SEG1 to SEG128
—
450 µA
VDD
360 700 µA
VDD
Supply Current 3
IDDS During standby —
—
10 µA
VDD
Oscillation
frequency
Rf=18kΩ
fOSC
Cf=56pF
292 350 437 kHz OSC1, OSC2, OSC3
See Note 3 on p.6
4/34
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