HD404394 查看數據表（PDF） - Hitachi -> Renesas Electronics

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HD404394

4-bit microcomputers

Hitachi -> Renesas Electronics 

HD404344R Series/HD404394 Series

Serial Interface Timing Characteristics (HD404344R, HD404342R, HD404341R, HD40C4344R,

HD40C4342R, HD40C4341R: VCC = 2.5 to 5.5 V, GND = 0 V, Ta = –20 to +75°C, HCD404344R,

HCD40C4344R: VCC = 2.5 to 5.5 V, GND = 0 V, Ta = +75°C, HD404394, HD404392, HD404391,

HD4074344, HD4074394: VCC = 2.7 to 5.5 V, GND = 0 V, Ta = –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

tScyc

SCK Load shown in 1

figure 71

—

—

tcyc

1

Transmit clock high width

tSCKH

SCK Load shown in 0.4 —

—

tScyc 1

figure 71

Transmit clock low width

tSCKL

SCK Load shown in 0.4 —

—

tScyc 1

figure 71

Transmit clock rise time

tSCKr

SCK Load shown in —

—

80

ns

1

figure 71

Transmit clock fall time

tSCKf

SCK Load shown in —

—

80

ns

1

figure 71

Serial output data delay time tDSO

SO Load shown in —

—

300 ns

1

figure 71

Serial input data setup time tSSI

SI

Serial input data hold time tHSI

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

tScyc

tSCKH

tSCKL

tSCKr

tSCKf

tDSO

SCK

1

—

SCK

0.4 —

SCK

0.4 —

SCK

—

—

SCK

—

—

SO Load shown in —

—

figure 71

—

tcyc

1

—

tScyc 1

—

tScyc 1

80

ns

1

80

ns

1

300 ns

1

Serial input data setup time tSSI

SI

Serial input data hold time tHSI

SI

Note: 1. Refer to figure 70.

100 —

—

ns

1

200 —

—

ns

1

93

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