BU2090FS-E2 Rohm Semiconductor, BU2090FS-E2 Datasheet - Page 8

• Manufacturer Part Number: BU2090FS-E2
• Description: IC DRVR SER/PAR I/O 12B SSOP-A16
• Manufacturer: Rohm Semiconductor
• Type: Driverr

Specifications of BU2090FS-E2

• Voltage - Supply: 2.7 V ~ 5.5 V
• Mounting Type: Surface Mount
• Package / Case: 16-SSOP
• Output Current: 25mA
• No. Of Outputs: 12
• Supply Voltage Range: 2.7V To 5.5V
• Driver Case Style: SSOP
• No. Of Pins: 16
• Operating Temperature Range: -40°C To +85°C
• Svhc: No SVHC (18-Jun-2010)
• Base: RoHS Compliant
• Supply Current: 5 uA to 3 uA
• Maximum Operating Temperature: 85 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• Output Voltage: 5.5 V to 25 V
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Number Of Drivers/receivers: -
• Protocol: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: BU2090FS-E2; BU2090FS-E2TR

○Data transmission timing
Latch pulse
Output (Q7～Q0)
SDA
SDA
Command sample for driving LEDs. These are all off. (terminal A0～A2 is open)
・RESET CONDITION
・RISING TIME OF POWER SUPPLY
S
S
A6
0
After reset, Q0～Q7 pins are ON. (LEDs are all ON.)
V
A5
1
DD
must rise within 10ms. If the rise time would exceed 10ms, it is afraid not to reset the BU2098F.
A4
1
Slave address
Slave address
A3
1
A2
1
VDD
GND
A1
1
Fig.6 Rising time of power supply
Fig.5 Timing chart for WRITE
A0
1
t≦10ms
R/W ACK
0
Power Supply ON
ACK
8/12
D7
1
D6
LEDs all-ON with power supply ON
1
Output the write data to Q7～Q0 at the same time.
D5
1
LEDs are all-off by this command.
D4
Write data
Write data
1
D3
1
D2
1
D1
1
D0
1
ACK
ACK
P
P