MSC7170-01 查看數據表（PDF） - Oki Electric Industry
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MSC7170-01
Oki Electric Industry
MSC7170-01 Datasheet PDF : 27 Pages
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¡ Semiconductor
FEDL7170-03
MSC7170-01
AC Characteristics (1/2)
Parameter
ENABLE Setup Time
ENABLE Hold Time
SCLK Frequency
SCLK Pulse Width
SCLK Rise/Fall Time
SIMO Setup Time
SIMO Hold Time
SOMI Output Enable
SOMI Output Disable
SCLK to SOMI Delay
Byte Length
Byte Delay
SYNC Frequency
SEGn Pulse Width
Operating Frequency
DUTY Period
Blank Interval (min.)
DATA Pulse Width High
DATA Period
DATA to CLOCK Delay
CLOCK Pulse Width
CLOCK Cycle
Keyscan Cycle Time
(Ta=–40 to 85°C, VDD=4.5 to 5.5V, VDISP=7 to 60 V, fOSC=4 MHz, 12-digit display)
Symbol
Condition
Min. Typ. Max. Unit
tES
tEH
tCP
tcw
tcr/tcf
tDS
tDH
tOE
tOD
tPD
tBYTE
See Fig. 1 (Data Transfer Timing) 50 — — ns
See Fig. 1 (Data Transfer Timing) 4 — — ms
See Fig. 1 (Data Transfer Timing) — 0.5 2 MHz
See Fig. 1 (Data Transfer Timing) 250 — — ns
See Fig. 1 (Data Transfer Timing) — — 500 ns
See Fig. 1 (Data Transfer Timing) 50 — — ns
See Fig. 1 (Data Transfer Timing) 120 — — ns
Enable to SOMI valid
— — 200 ns
Enable to SOMI tri-state
— — 200 ns
See Fig. 1 (Data Transfer Timing) — — 100 ns
MSB to LSB
See Fig. 2 (Example of Data Transfer)
3.5
—
—
ms
tDELAY
tSYNC
MSB to LSB
See Fig. 2 (Example of Data Transfer)
Duty cycle=50%, fOSC–4 MHz
12-digit display
——
*1
0.4 —
20 ms
250 kHz
fOSC=4 MHz
tSEG
See Fig. 5 (Duty Cycle Timing)
— 10 — ms
CI=20pF
tOSC
Self-oscillation
1.5 4 4.5 MHz
fOSC=4 MHz,
tGRID
See Fig. 3 (12-digit Display Cycle — 256 — ms
Timing)
tBLANK
tDW
fOSC=4 MHz
See Fig. 3 (12-digit Display Cycle
Timing)
tBLANK=48/fOSC
fOSC=4 MHz
See Fig. 5 (Duty Cycle Timing)
— 12 — ms
— 256 — ms
tDATA
fOSC=4 MHz
See Fig. 3 (12-digit Display Cycle
Timing)
— 3072 — ms
tDC
fOSC=4 MHz
See Fig. 5 (Duty Cycle Timing)
— 5 — ms
tPW
fOSC=4 MHz
See Fig. 5 (Duty Cycle Timing)
— 250 — ms
tCLOCK
fOSC=4 MHz
See Fig. 5 (Duty Cycle Timing)
— 256 — ms
tSCAN
fOSC=4 MHz
See Fig. 6 (Keyscan Timing)
— 40 — ms
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