UPD78F0034A NEC, UPD78F0034A Datasheet - Page 36

• Manufacturer Part Number: UPD78F0034A
• Description: 8 Bit Single Chip Microcontroller
• Manufacturer: NEC

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36
SCK3n cycle time
SCK3n high-/low-level
width
SI3n setup time
(to SCK3n↑)
SI3n hold time
(from SCK3n↑)
Output delay time from
SCK3n↓ to SO3n
SCK3n cycle time
SCK3n high-/low-level
width
SI3n setup time
(to SCK3n↑)
SI3n hold time
(from SCK3n↑)
Output delay time from
SCK3n↓ to SO3n
(3) Serial interface (T
Note
Note
Remark µ PD78F0034A:
(a) 3-wire serial I/O mode (SCK3n... internal clock output)
(b) 3-wire serial I/O mode (SCK3n... external clock input)
Parameter
Parameter
C is the load capacitance of the SCK3n and SO3n output lines.
C is the load capacitance of the SO3n output line.
µ PD78F0034AY: n = 0
A
Symbol
Symbol
t
t
t
t
t
t
t
t
t
t
t
t
= –40 to +85
KH1
SIK1
KSI1
KSO1
KH2
SIK2
KSI2
KSO2
KCY1
KL1
KCY2
KL2
n = 0, 1
4.0 V ≤ V
2.7 V ≤ V
1.8 V ≤ V
V
V
4.0 V ≤ V
2.7 V ≤ V
1.8 V ≤ V
C = 100 pF
4.0 V ≤ V
2.7 V ≤ V
1.8 V ≤ V
4.0 V ≤ V
2.7 V ≤ V
1.8 V ≤ V
C = 100 pF
DD
DD
= 4.0 to 5.5 V
= 1.8 to 5.5 V
°
C, V
DD
DD
DD
DD
DD
DD
DD
DD
DD
DD
DD
DD
Data Sheet U14040EJ4V0DS
DD
Note
Note
≤ 5.5 V
< 4.0 V
< 2.7 V
≤ 5.5 V
< 4.0 V
< 2.7 V
≤ 5.5 V
< 4.0 V
< 2.7 V
≤ 5.5 V
< 4.0 V
< 2.7 V
Conditions
Conditions
= 1.8 to 5.5 V)
t
t
KCY1
KCY1
1,600
3,200
1,600
3,200
1,600
MIN.
MIN.
954
/2 – 100
100
150
300
400
800
400
800
100
400
/2 – 50
µ PD78F0034A, 78F0034AY
TYP.
TYP.
MAX.
MAX.
300
300
Unit
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns