HD404328 Datasheet, PDF (89/96 Pages) Hitachi Semiconductor – 4 BIT SINGLE CHIP MICROCOMPUTER

HD404328 Series
Serial Interface Timing Characteristics (HD404324, HD404326, HD404328: V_CC = 2.7 V to 6.0 V,
GND = 0.0 V, T_a = –20°C to +75°C; HD404324U, HD404326U, HD404328U: V_CC = 2.7 V to 6.0 V,
GND = 0.0 V, T_a = –40°C to +85°C; HD4074329, HD4074329U: V_CC = 2.9 V to 5.5 V, GND = 0.0 V, T_a
= –20°C to +75°C; unless otherwise specified)
During Transmit Clock Output
Item
Symbol Pin
Min Typ Max Unit Test Conditions
Notes
Transmit clock cycle time t_Scyc
Transmit clock high width
Transmit clock low width
Transmit clock rise time
t_SCKH
t_SCKL
t_SCKr
SCK
SCK
SCK
SCK
1.0 — —
t_cyc, Load shown in figure 53 1, 2
t_subcyc
0.3 — —
t_Scyc Load shown in figure 53 1
0.3 — —
t_Scyc Load shown in figure 53 1
—
— 100 ns HD404324, HD404324U, 1
HD404326, HD404326U,
HD404328, HD404328U:
V_CC = 3.5 V to 6.0 V,
load shown in figure 53
HD4074329,
1
HD4074329U:
V_CC = 3.5 V to 5.5 V,
load shown in figure 53
—
— 200 ns Load shown in figure 53 1
Transmit clock fall time
t_SCKf
SCK
—
— 100 ns HD404324, HD404324U, 1
HD404326, HD404326U,
HD404328, HD404328U:
V_CC = 3.5 V to 6.0 V,
load shown in figure 53
HD4074329,
1
HD4074329U:
V_CC = 3.5 V to 5.5 V,
load shown in figure 53
—
— 200 ns Load shown in figure 53 1
Serial output data delay t_DSO
SO
time
—
— 300 ns HD404324, HD404324U, 1
HD404326, HD404326U,
HD404328, HD404328U:
V_CC = 3.5 V to 6.0 V,
load shown in figure 53
HD4074329,
1
HD4074329U:
V_CC = 3.5 V to 5.5 V,
load shown in figure 53
—
— 500 ns Load shown in figure 53 1
Notes: 1. Refer to figure 52.
2. The t_subcyc unit applies when subactive mode is operating.
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