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UPD75004 Datasheet(PDF) 47 Page - NEC

Part # UPD75004
Description  4-BIT SINGLE-CHIP MICROCOMPUTER
PDF  66 Pages
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Manufacturer  NEC [NEC]
Direct Link  http://www.nec.com/
Logo NEC - NEC

UPD75004 Datasheet(HTML) 47 Page - NEC

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µPD75004, 75006, 75008
47
SERIAL TRANSFER OPERATION
Two-Line and Three-Line Serial I/O Modes (SCK: internal clock output):
Parameter
Symbol
Conditions
MIN.
TYP.
MAX.
Unit
SCK Cycle Time
tKCY1
VDD = 4.5 to 6.0 V
1600
ns
3800
ns
SCK High-, Low-Level
tKL1
VDD = 4.5 to 6.0 V
tKCY1/2-50
ns
Widths
tKH1
tKCY1/2-150
ns
SI Set-Up Time (vs. SCK
↑) tSIK1
150
ns
SI Hold Time (vs. SCK
↑ )tKSI1
400
ns
SCK
↓→ SO Output
tKSO1
R = 1 k
Ω,VDD = 4.5 to 6.0 V
0
250
ns
Delay Time
C = 100 pF*
0
1000
ns
TWO-LINE AND THREE-LINE SERIAL I/O MODES (SCK: external clock input):
Parameter
Symbol
Conditions
MIN.
TYP.
MAX.
Unit
SCK Cycle Time
tKCY2
VDD = 4.5 to 6.0 V
800
ns
3200
ns
SCK High-, Low-Level
tKL2
VDD = 4.5 to 6.0 V
400
ns
Widths
tKH2
1600
ns
SI Set-Up Time (vs. SCK
↑) tSIK2
100
ns
SI Hold Time (vs. SCK
↑)tKSI2
400
ns
SCK
↓→ SO Output
tKSO2
R = 1 k
Ω, C = 100 pF*
VDD = 4.5 to 6.0 V
0
300
ns
Delay Time
0
1000
ns
*: R and C are load resistance and load capacitance of the SO output line.



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