HMS81C2020AK 데이터 시트보기 (PDF) - Unspecified

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HMS81C2020AK

CMOS Single-Chip 8-Bit Microcontroller with A/D Converter & VFD Driver

Unspecified 

7.7 AC Characteristics

(TA=-40~+85°C, VDD=5V±10%, VSS=0V, fXIN=4MHz)

Parameter

Symbol

Serial Input Clock Pulse

Serial Input Clock Pulse Width

Serial Input Clock Pulse Transition

Time

SIN Input Pulse Transition Time

SIN Input Setup Time (External SCLK)

SIN Input Setup Time (Internal SCLK)

SIN Input Hold Time

Serial Output Clock Cycle Time

Serial Output Clock Pulse Width

Serial Output Clock Pulse Transition

Time

Serial Output Delay Time

tSCYC

tSCKW

tFSCK

tRSCK

tFSIN

tRSIN

tSUS

tSUS

tHS

tSCYC

tSCKW

tFSCK

tRSCK

sOUT

Pins

SCLK

SCLK

SCLK

SIN

SIN

SIN

SIN

SCLK

SCLK

SCLK

SOUT

HMS81C2012A/2020A

Specifications

Min.

Typ.

Max.

2tSYS+200

-

8

tSYS+70

-

8

-

-

30

Unit

ns

ns

ns

-

-

100

-

200

-

tSYS+70

-

4tSYS

-

tSYS-30

30

ns

-

ns

ns

ns

16tSYS

ns

ns

30

ns

100

ns

tFSCK

SCLK

0.8VDD

0.2VDD

tSCKW

tSCYC

tRSCK

tSCKW

SIN

SOUT

tSUS

tDS

tFSIN

0.8VDD

0.2VDD

tHS

0.8VDD

0.2VDD

tRSIN

Figure 7-2 Serial I/O Timing Chart

SEP. 2004 Ver 2.00

19

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