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A6817 PDF Datasheet ( 特性, スペック, ピン接続図 )

部品番号 A6817
部品説明 ADDRESSABLE 28-LINE DECODER/DRIVER
メーカ Allegro
ロゴ Allegro ロゴ 



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A6817 Datasheet, A6817 PDF,ピン配置, 機能
6817
ADDRESSABLE
28-LINE
DECODER/DRIVER
OUTB1 7
OUTB2 8
OUTB3 9
OUTB4 10
OUTB5 11
OUTB6 12
OUTB7 13
OUTB8 14
OUTB9 15
GND 16
IC 17
6817
39 OUTA0
38 OUTA1
37 OUTA2
36 OUTA3
35 OUTA4
34 OUTA5
33 OUTA6
32 OUTA7
31 OUTA8
30 OUTA9
29 GND
Dwg. PP-050
ADDRESSABLE
28-LINE DECODER/DRIVER
Intended for use in ink-jet printer applications, the A6817SEP
addressable 28-line decoder/driver combines low-power CMOS inputs
and logic with 28 high-current, high-voltage bipolar outputs. A 4-to-14
line decoder determines the selected output driver (n) in each
14-driver bank. Two independent output-enable inputs (active low)
then provide the final decoding to activate 1- or 2-of-28 outputs
(OUTAn and/or OUTBn). Special internal circuitry is programmed at the
time of manufacture to adjust the output pulse timing and thereby the
energy the device delivers to the ink-jet print head. The DABiC-IV
A6817SEP directly replaces the original BiMOS-II A5817SEP in most
applications.
The CMOS inputs cause minimal loading and are compatible with
standard CMOS, PMOS, and NMOS logic. Use with TTL or DTL
circuits may require appropriate pull-up resistors to ensure an input
logic high. The internal CMOS logic operates from a 5 V supply.
A CHIP ENABLE function is provided to lock out the drivers during
system power up. The 28 bipolar power outputs are open-collector
30 V Darlington drivers capable of sinking 500 mA at ambient
temperatures up to 85°C.
The A6817SEP is furnished in a 44-lead plastic chip carrier
(quad pack) for minimum-area, surface-mount applications.
ABSOLUTE MAXIMUM RATINGS
at TA = 25°C
Output Voltage, VCE ............................. 30 V
Logic Supply Voltage, VDD .................. 7.0 V
Input Voltage Range,
VIN ....................... -0.3 V to VDD + 0.3 V
Output Current, IC ........................... 600 mA
Package Power Dissipation, PD ..... 2.70 W*
Operating Temperature Range,
TA ................................. -20°C to +85°C
Storage Temperature Range,
TS .............................. -55°C to +150°C
*Derate at rate of 22 mW/°C above TA = 25°C.
Caution: These CMOS devices have input static
protection (Class 2) but are still susceptible to
damage when exposed to extremely high static
electrical charges.
FEATURES
s Controlled Characteristics for Ink-Jet Printers
s Addressable Data Entry
s 30 V Minimum V(BR)CEX
s CMOS, PMOS, NMOS Compatible Inputs
s Low-Power CMOS Logic
Always order by complete part number: A6817SEP .

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