CXP86541 データシートの表示（PDF） - Sony Semiconductor

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CXP86541

CMOS 8-bit Single Chip Microcomputer

Sony Semiconductor 

CXP86541/86549/86561

(2) Serial transfer

(Ta = –20 to +75°C, VDD = 4.5 to 5.5V, Vss = 0V reference)

Item

SCK cycle time

SCK High and Low level

widths

SI input setup time

(for SCK ↑)

SI hold time

(for SCK ↑)

SCK ↓ → SO delay time

Symbol Pins

tKCY SCK

tKH

tKL

SCK

tSIK

SI

tKSI

SI

tKSO

SO

Conditions

Input mode

Output mode

SCK input mode

SCK output mode

SCK input mode

SCK output mode

SCK input mode

SCK output mode

SCK input mode

SCK output mode

Min.

1000

8000/fc

400

4000/fc – 50

100

200

200

100

Max.

Unit

ns

ns

ns

ns

ns

ns

ns

ns

200

ns

100

ns

Note) The load of SCK output mode and SO output delay time is 50pF + 1TTL.

Fig. 4. Serial transfer timing

SCK

tKCY

tKL

tKH

tSIK

tKSI

0.8VDD

0.2VDD

0.8VDD

SI

Input data

0.2VDD

tKSO

0.8VDD

SO

Output data

0.2VDD

– 14 –

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