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PDF MM1250 Data sheet ( Hoja de datos )
| Número de pieza | MM1250 | |
| Descripción | I2C Bus Video Switch | |
| Fabricantes | Mitsumi Electric | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de MM1250 (archivo pdf) en la parte inferior de esta página. Total 9 Páginas | ||
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MITSUMI
I2C Bus Video Switch
Monolithic IC MM1250
I2C Bus Video Switch MM1250
Outline
This IC is an audio/video switch that supports an I2C bus for television.
Features
1. Utilizes serial control by I2C bus
2. 3 video input systems for 3 outputs, VOUT, YOUT and COUT
3. VOUT has built-in 6dB amp
4. VOUT has built-in output clamp circuit
5. Audio system has built-in mute function
6. 1 output port built-in
7. Operating power supply voltage range
8~13V
8. Video frequency response
10MHz
9. Slave address
92H (fixed)
Package
SDIP-24A (MM1250XD)
Applications
I2C bus televisions, etc.
1 page  
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
SCL
tBUF
tR
tF
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
5 Page | ||
| Páginas | Total 9 Páginas | |
| PDF Descargar | [ Datasheet MM1250.PDF ] | |
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