mm1250 Mitsumi Electronics, Corp., mm1250 Datasheet - Page 5

• Manufacturer Part Number: mm1250
• Description: I 2c Bus Compatible Video Switch
• Manufacturer: Mitsumi Electronics, Corp.

MITSUMI
I
2
Notes :
*
I
C Bus Recommended Operating Conditions
2
1
C Bus control signals
SCL high level hold time
SCL low level hold time
SDA
SCL
Data transfer wait time
SCL start setup time
SDA data setup time
SCL stop setup time
SCL start hold time
SDA data hold time
Signal input
Crosstalk V
Input a 1V
Given S1=A, S5=A, S6~S10= B, Bit=011 and TP7 amplitude V01,
Combinations below : V02, then C
Clock frequency
Input voltage H
Input voltage L
SCL rise time
SCL fall time
SG1
SG6
SG5
SG2
P
Item
t
BUF
P-P
OUT
S t
, 4.43MHz sine wave to SG1.
amplitude
2
C
HD:STA
Input
1V
2V
2V
1V
TV
=20log (V02/V01) dB
P-P
P-P
P-P
P-P
t
t
LOW
R
Symbol
S1
t
t
t
t
t
A
B
C
HD : DAT
-
-
-
HD : STA
SU : DAT
SU : STA
SU : STO
t
t
t
V
f
HIGH
V
LOW
BUF
SCL
t
t
R
IH
F
IL
t
HD:DAT
S4
B
B
B
A
A
-
-
-
-
-
-
TV
is obtained as follows:
I
I
2
S5
2
B
B
B
B
B
B
B
B
C logic high level discrimination value
A
A
A
C logic low level discrimination value
t
HIGH
Switch status
Measurement conditions
S6
B
B
B
A
A
B
B
B
B
B
B
t
t
F
SU:DAT
S7
B
B
B
B
B
B
B
B
B
B
A
t
SU:STA
S8
I
B
B
B
B
B
A
A
A
B
B
B
2
C Bus Compatible Video Switch MM1250
(Refer to diagram below)
Sr
S9
B
B
B
B
B
B
B
B
B
B
A
S10
B
B
B
B
B
B
B
B
B
B
A
Bit2 Bit1 Bit0
-
-
-
-
-
-
-
-
-
Min. Typ. Max. Units
250
2.1
4.7
4.0
4.7
4.0
4.7
5.0
4.0
Control bit
t
SU:STO
0
1
1
1
1
0
1
1
0
P
1
0
1
0
1
1
1
1
1
1000
100
300
0.7
5.0
kHz
µs
µs
µs
µs
µs
µs
µs
ns
ns
µs
V
V