UPD16780A データシートの表示（PDF） - NEC => Renesas Technology
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UPD16780A Datasheet PDF : 16 Pages
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µ PD16780A
Switching Characteristics (TA = –30 to +85°C, VDD1 = 3.0 to 5.5 V, VDD2 = 5.0 V ± 0.5 V, VDD2 ≥ VDD1,
VSS1 = VSS2 = 0 V)
Parameter
Symbol
Conditions
MIN.
TYP.
MAX.
Unit
Start Pulse Delay Time
Driver Output Delay Time
tPHL1 CL = 20 pF
7
tPLH1 CLK → STHL(STHR)
7
tPLH2
tPLH3
tPHL2
VDD2 = 5.0 V
RL = 2 kΩ
CL = 25 pF x 2
43
ns
43
ns
8
µs
16
µs
8
µs
Input Capacitance
tPHL3
CI1
CI2
STHR(STHL), TA=25°C
C1,C2,C3, TA=25°C
16
µs
10
20
pF
40
60
pF
CI3 STHR(STHL),C1,C2,C3
excluded input, TA=25°C
7
15
pF
Timing Requirement (TA = –30 to +85°C, VDD1 = 3.0 to 5.5 V, VSS1 = 0 V)
Parameter
Symbol
Conditions
MIN.
TYP.
MAX.
Unit
Clock Pulse Width
Clock Pulse High Period
Clock Pulse Low Period
5 Clock Delay Time
Start Pulse Setup Time
Start Pulse Setup Time
Start Pulse – CX Time
CX Setup Time
CX Hold Time
CLK Stop Period
PWCLK CLK1 to CLK3
PWCLK(H)
PWCLK(L)
tCL1-2
tCL2-3
tsetup
thold
tSTH-CX
tCXsetup
tCXhold
tCLKstop
50
15
15
16.6
ns
ns
ns
PWCLK
2
ns
7
ns
7
ns
50
ns
1.0
µs
50
ns
Refer to 8. SWITHING CHARACTERISTICS
WAVEFORM.
Remark Unless otherwise specified, the input level is defined to be VIH = 0.7 VDD1, VIL = 0.3 VDD1.
Data Sheet S14606EJ1V0DS
11
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