MM1250 查看數據表（PDF） - Mitsumi

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MM1250

I2C Bus Video Switch Monolithic IC

Mitsumi 

MITSUMI

I2C Bus Video Switch MM1250

I2C Bus Recommended Operating Conditions (Refer to diagram below)

Item

Input voltage L

Input voltage H

Clock frequency

Data transfer wait time

SCL start hold time

SCL low level hold time

SCL high level hold time

SCL start setup time

SDA data hold time

SDA data setup time

SCL rise time

SCL fall time

SCL stop setup time

Symbol

VIL

VIH

fSCL

tBUF

tHD : STA

tLOW

tHIGH

tSU : STA

tHD : DAT

tSU : DAT

tR

tF

tSU : STO

Measurement conditions

I2C logic low level discrimination value

I2C logic high level discrimination value

Min.

2.1

4.7

4.0

4.7

4.0

4.7

5.0

250

4.0

Typ. Max. Units

0.7 V

5.0 V

100 kHz

µS

µS

µS

µS

µS

µS

µS

1000 nS

300 nS

µS

Notes :

*1 Crosstalk VOUT2

Input a 1VP-P, 4.43MHz sine wave to SG1.

Given S1=A, S5=A, S6~S10= B, Bit=011 and TP7 amplitude V01,

Combinations below : V02, then CTV is obtained as follows:

CTV=20log (V02/V01) dB

I2C Bus control signals

SDA

tBUF

tR

tF

SCL

P

S tHD:STA tLOW

tHD:DAT tHIGH tSU:DAT tSU:STA Sr

tSU:STO P

Input

Switch status

Control bit

Signal input

amplitude S1 S4 S5 S6 S7 S8 S9 S10 Bit2 Bit1 Bit0

AABBBBB

-01

ABABBBBB

- ABBBBB - 1 0

SG1

1VP-P

B - BABBBB - 1 1

- BABBBB - 1 0

- BBBABB - 1 1

CABBBABB

-01

BBBBABB

SG6

2VP-P

- - BBBBBA - 1 1

SG5

2VP-P

- - BBBBAB - 1 1

SG2

1VP-P

- BBBABBB - 0 1

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