HD404354 데이터 시트보기 (PDF) - Renesas Electronics

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HD404354

4-bit HMCS400-Series microcomputer

Renesas Electronics 

HD404358 Series

Serial Interface Timing Characteristics (HD407A4359: VCC = 2.7 to 5.5 V, GND = 0 V, Ta = –20 to

+75°C; HD404354/HD404356/HD404358/HD40A4354/HD40A4356/HD40A4358: VCC = 2.7 to 6.0 V,

GND = 0 V, Ta = –20 to +75°C, unless otherwise specified)

During Transmit Clock Output

Item

Symbol Pins Min Typ Max Unit Test Condition

Note

Transmit clock cycle tScyc

time

SCK 1

— — tcyc Load shown in figure 82 1

Transmit clock high

width

t SCKH

SCK 0.4 —

—

tScyc Load shown in figure 82 1

Transmit clock low

t SCKL

SCK 0.4 —

—

tScyc Load shown in figure 82 1

width

Transmit clock rise time tSCKr

Transmit clock fall time tSCKf

Serial output data delay tDSO

time

SCK — — 80 ns Load shown in figure 82 1

SCK — — 80 ns Load shown in figure 82 1

SO — — 300 ns Load shown in figure 82 1

Serial input data setup tSSI

SI

100 — — ns

1

time

Serial input data hold tHSI

SI

200 — — ns

1

time

During Transmit Clock Input

Item

Symbol Pins Min Typ Max Unit Test Condition

Note

Transmit clock cycle tScyc

SCK 1

—

—

t cyc

1

time

Transmit clock high

t SCKH

SCK 0.4 —

—

t Scyc

1

width

Transmit clock low

t SCKL

SCK 0.4 —

—

t Scyc

1

width

Transmit clock rise time tSCKr

Transmit clock fall time tSCKf

Serial output data delay tDSO

time

SCK — — 80 ns

1

SCK — — 80 ns

1

SO — — 300 ns Load shown in figure 82 1

Serial input data setup tSSI

SI

100 — — ns

1

time

Serial input data hold tHSI

SI

200 — — ns

1

time

Note: 1. Refer to figure 81.

95

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