HD404344R Datasheet, PDF (95/102 Pages) Renesas Technology Corp – 4-bit microcomputer has an A/D converter

HD404344R Series/HD404394 Series
Serial Interface Timing Characteristics (HD404344R, HD404342R, HD404341R, HD40C4344R,
HD40C4342R, HD40C4341R: V_CC = 2.5 to 5.5 V, GND = 0 V, T_a = –20 to +75°C, HCD404344R,
HCD40C4344R: V_CC = 2.5 to 5.5 V, GND = 0 V, T_a = +75°C, HD404394, HD404392, HD404391,
HD4074344, HD4074394: V_CC = 2.7 to 5.5 V, GND = 0 V, T_a = –20 to +75°C, unless otherwise
specified)
During Transmit Clock Output
Item
Symbol Pins Test Condition Min Typ Max Unit Note
Transmit clock cycle time
t_Scyc
SCK Load shown in 1
figure 71
—
—
t_cyc
1
Transmit clock high width
t_SCKH
SCK Load shown in 0.4 —
—
t_Scyc 1
figure 71
Transmit clock low width
t_SCKL
SCK Load shown in 0.4 —
—
t_Scyc 1
figure 71
Transmit clock rise time
t_SCKr
SCK Load shown in —
—
80
ns
1
figure 71
Transmit clock fall time
t_SCKf
SCK Load shown in —
—
80
ns
1
figure 71
Serial output data delay time t_DSO
SO Load shown in —
—
300 ns
1
figure 71
Serial input data setup time t_SSI
SI
Serial input data hold time t_HSI
SI
100 —
—
ns
1
200 —
—
ns
1
During Transmit Clock Input
Item
Symbol Pins Test Condition Min Typ Max Unit Note
Transmit clock cycle time
Transmit clock high width
Transmit clock low width
Transmit clock rise time
Transmit clock fall time
Serial output data delay time
t_Scyc
t_SCKH
t_SCKL
t_SCKr
t_SCKf
t_DSO
SCK
1
—
SCK
0.4 —
SCK
0.4 —
SCK
—
—
SCK
—
—
SO Load shown in —
—
figure 71
—
t_cyc
1
—
t_Scyc 1
—
t_Scyc 1
80
ns
1
80
ns
1
300 ns
1
Serial input data setup time t_SSI
SI
Serial input data hold time t_HSI
SI
Note: 1. Refer to figure 70.
100 —
—
ns
1
200 —
—
ns
1
93