HMS81C2012A Datasheet, PDF (23/107 Pages) List of Unclassifed Manufacturers – CMOS Single-Chip 8-Bit Microcontroller with A/D Converter & VFD Driver

7.7 AC Characteristics
(T_A=-40~+85°C, V_DD=5V±10%, V_SS=0V, f_XIN=4MHz)
Parameter
Symbol
Serial Input Clock Pulse
Serial Input Clock Pulse Width
Serial Input Clock Pulse Transition
Time
SIN Input Pulse Transition Time
SIN Input Setup Time (External SCLK)
SIN Input Setup Time (Internal SCLK)
SIN Input Hold Time
Serial Output Clock Cycle Time
Serial Output Clock Pulse Width
Serial Output Clock Pulse Transition
Time
Serial Output Delay Time
t_SCYC
t_SCKW
t_FSCK
t_RSCK
t_FSIN
t_RSIN
t_SUS
t_SUS
t_HS
t_SCYC
t_SCKW
t_FSCK
t_RSCK
s_OUT
Pins
SCLK
SCLK
SCLK
SIN
SIN
SIN
SIN
SCLK
SCLK
SCLK
SOUT
HMS81C2012A/2020A
Specifications
Min.
Typ.
Max.
2t_SYS+200
-
8
t_SYS+70
-
8
-
-
30
Unit
ns
ns
ns
-
-
100
-
200
-
t_SYS+70
-
4t_SYS
-
t_SYS-30
30
ns
-
ns
ns
ns
16t_SYS
ns
ns
30
ns
100
ns
t_FSCK
SCLK
0.8V_DD
0.2V_DD
t_SCKW
t_SCYC
t_RSCK
t_SCKW
SIN
SOUT
t_SUS
t_DS
t_FSIN
0.8V_DD
0.2V_DD
t_HS
0.8V_DD
0.2V_DD
t_RSIN
Figure 7-2 Serial I/O Timing Chart
SEP. 2004 Ver 2.00
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