LC87F40C8A Datasheet, PDF (17/26 Pages) Sanyo Semicon Device – Internal 128K-byte FROM (ROM/CGROM), 2048 byte RAM, 1024-byte CGRAM, and 704×10-bit CRT Display RAM 8-bit 1-chip Microcontroller

LC87F40C8A
2. SIO1, 6 Serial I/O Characteristics (Note 4-2-1)
Parameter
Period
Low level
pulse width
High level
pulse width
Period
Low level
pulse width
High level
pulse width
Data setup time
Data hold time
Symbol
tSCK(3)
tSCKL(3)
Pin/Remarks
Conditions
SCK1(P22),
See Fig. 5.
SCK6(P32, P34)
tSCKH(3)
VDD[V]
4.5 to 5.5
tSCK(4)
tSCKL(4)
SCK1(P22),
• CMOS output selected
SCK6(P32, P34) • See Fig. 5.
tSCKH(4)
4.5 to 5.5
tsDI(2)
thDI(2)
SI1(P21),
SB1(P21),
SI6(P31),
SB6(P31, P33),
• Must be specified with respect
to rising edge of SIOCLK.
• See Fig. 5.
4.5 to 5.5
min
2
Specification
typ
max
1
1
2
1/2
1/2
0.03
0.03
unit
tCYC
tSCK
Output delay time tdD0(4)
SO1(P20),
• Must be specified with respect
µs
SB1(P21),
to falling edge of SIOCLK.
SO6(P30),
SB6(P31, P34)
• Must be specified as the time
to the beginning of output
state change in open drain
4.5 to 5.5
1/3tCYC
+0.05
output mode.
• See Fig. 5.
Note4-2-1: This standard value is a theory value. Be sure to ensure the margin according to busy condition.
No.A0139-17/26