HD404449 Datasheet, PDF (118/123 Pages) Hitachi Semiconductor – HD404449 SERIES

HD404449 Series
Serial Interface Timing Characteristics (HD404448, HD404449: V_CC = 2.7 to 6.0 V, GND = 0 V, T_a = –
20°C to +75°C; HD4074449: V_CC = 2.7 to 5.5 V, GND = 0 V, T_a = –20°C to +75°C, unless otherwise
specified)
During Transmit Clock Output
Item
Symbol Pin
Min Typ Max Unit Test Condition
Note
Transmit clock cycle t_Scyc
time
SCK₁, SCK₂ 1.0 — — t_cyc Load shown in figure 99 1
Transmit clock high
width
t _SCKH
SCK₁, SCK₂ 0.5 — — t_Scyc Load shown in figure 99 1
Transmit clock low
width
t _SCKL
SCK₁, SCK₂ 0.5 — — t_Scyc Load shown in figure 99 1
Transmit clock rise time t_SCKr
Transmit clock fall time t_SCKf
Serial output data delay t_DSO
time
SCK₁, SCK₂ — — 200 ns Load shown in figure 99 1
SCK₁, SCK₂ — — 200 ns Load shown in figure 99 1
SO₁, SO₂ — — 500 ns Load shown in figure 99 1
Serial input data setup t_SSI
SI₁, SI₂
300 — — ns —
1
time
Serial input data hold t_HSI
SI₁, SI₂
300 — — ns —
1
time
Note: 1. Refer to figure 98.
During Transmit Clock Input
Item
Symbol Pin
Min Typ Max Unit Test Condition
Note
Transmit clock cycle t_Scyc
SCK₁, SCK₂ 1.0 — — t_cyc —
1
time
Transmit clock high
t _SCKH
SCK₁, SCK₂ 0.5 — — t_Scyc —
1
width
Transmit clock low
t _SCKL
SCK₁, SCK₂ 0.5 — — t_Scyc —
1
width
Transmit clock rise time t_SCKr
Transmit clock fall time t_SCKf
Serial output data delay t_DSO
time
SCK₁, SCK₂ — — 200 ns —
1
SCK₁, SCK₂ — — 200 ns —
1
SO₁, SO₂ — — 500 ns Load shown in figure 99 1
Serial input data setup t_SSI
SI₁, SI₂
300 — — ns —
1
time
Serial input data hold t_HSI
SI₁, SI₂
300 — — ns —
1
time
Note: 1. Refer to figure 98.
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