BU2879AK Rohm Semiconductor, BU2879AK Datasheet - Page 2

• Manufacturer Part Number: BU2879AK
• Description: IC DRIVER FL TUBE 5V QFP44
• Manufacturer: Rohm Semiconductor

Specifications of BU2879AK

• Display Type: Vacuum Fluorescent (VF)
• Configuration: 16 Segments
• Interface: 3-Wire Serial
• Digits Or Characters: 8 Character
• Current - Supply: 5mA
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: -25°C ~ 75°C
• Mounting Type: Surface Mount
• Package / Case: 44-QFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

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2
Standard ICs
Block diagram
SW4
SW1
K4
K1
S1
data
4bit
KEY DATA
(4
latch
6)
SEGMENT Driver
CS
8bit shift-REG.
SCK
SI
SO
DISPLAY DATA RAM
16bit
16bit latch
S11
15word
/ G15
S12
S / G Driver
V
SS
OSC
OSC
CONTROL
Driver
LOGIC
GRID
/ G11
S16
BU2879AK
V
EE
V
DD
G1
G10