HD404314H 查看數據表（PDF） - Hitachi -> Renesas Electronics

零件编号

产品描述 (功能)

生产厂家

HD404314H

4-bit HMCS400-series microcomputer

Hitachi -> Renesas Electronics 

HD404318 Series

Serial Interface Timing Characteristics (VCC = 4.0 to 5.5 V, GND = 0 V, Vdisp = VCC – 40 V to VCC, Ta =

–20 to +75°C, unless otherwise specified)

During Transmit Clock Output

Item

Symbol Pins

Transmit clock cycle time tScyc

Transmit clock high width tSCKH

Transmit clock low width tSCKL

Transmit clock rise time tSCKr

Transmit clock fall time tSCKf

Serial output data delay tDSO

time

SCK

SCK

SCK

SCK

SCK

SO

Serial input data setup tSSI

SI

time

Serial input data hold time tHSI

SI

Min Typ Max Unit Test Condition

Note

1—

0.4 —

0.4 —

——

— tcyc Load shown in figure 56 1

— tScyc Load shown in figure 56 1

— tScyc Load shown in figure 56 1

80 ns Load shown in figure 56 1

— — 80 ns Load shown in figure 56 1

— — 300 ns Load shown in figure 56 1

100 — — ns

1

200 — — ns

1

During Transmit Clock Input

Item

Symbol Pins

Transmit clock cycle time tScyc

Transmit clock high width tSCKH

Transmit clock low width tSCKL

Transmit clock rise time tSCKr

Transmit clock fall time tSCKf

Serial output data delay tDSO

time

SCK

SCK

SCK

SCK

SCK

SO

Serial input data setup tSSI

SI

time

Serial input data hold time tHSI

SI

Note: 1. Refer to figure 55.

Min Typ Max Unit Test Condition

Note

1

—

—

t cyc

1

0.4 —

—

t Scyc

1

0.4 —

—

t Scyc

1

— — 80 ns

1

— — 80 ns

1

— — 300 ns Load shown in figure 56 1

100 — — ns

1

200 — — ns

1

OSC1

1/fCP

VCC – 0.5 V

0.5 V

tCPH

tCPL

tCPr

tCPf

Figure 51 External Clock Timing

61

Share Link: