hv57009 Supertex, Inc., hv57009 Datasheet

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hv57009

Manufacturer Part Number
hv57009
Description
64-channel Serial To Parallel Converter With P-channel Open Drain Controllable Output Current
Manufacturer
Supertex, Inc.
Datasheet
Features
Functional Block Diagram
HVCMOS
5.0V CMOS Logic
Output voltage up to -85V
Output current source control
16MHz equivalent data rate
Latched data outputs
Foreward and reverse shifting options (DIR pin)
Diode to VDD allows effi cient power recovery
with P-Channel Open Drain Controllable Output Current
®
CLK
technology
DIR
Note:
Each SR (shift register) provides 32 outputs. SR1 supplies outputs 1 to 32 and SR2 supplies outputs 33 to 64.
64-Channel Serial to Parallel Converter
DI/O2A
DI/O2B
SR2
I/O
I/O
SR1
DI/O1A
DI/O1B
Latch
Latch
Latch
Latch
LE
VSS
General Description
The HV570 is a low-voltage serial to high-voltage parallel
converter with P-channel open drain outputs. This device
has been designed for use as a driver for plasma panels.
The device has two parallel 32-bit shift registers, permitting
data rates twice the speed of one (they are clocked together).
There are also 64 latches and control logic to perform the
blanking of the outputs. HV
of the fi rst shift register through the blanking logic. Data is
shifted through the shift registers on the logic low to high
transition of the clock. The DIR pin causes CCW shifting
when connected to V
V
This output refl ects the current status of the last bit of the
shift register (HV
not affected by the LE (latch enable), or the BL (blanking)
inputs. Transfer of data from the shift registers to latches
occurs when the LE input is high. The data in the latches is
stored when LE is low.
The HV570 has 64 channels of output constant current
sourcing capability. They are adjustable from 0.1 to 2.0mA
through one external resistor or a current source.
BL
DD
. A data output buffer is provided for cascading devices.
DD
VBP +IN
Programmable
Current
OUT
64). Operation of the shift register is
SS
, and CW shifting when connected to
-IN
OUT
1 is connected to the fi rst stage
HVOUT34
HVOUT35
HVOUT32
HVOUT33
HVOUT64
HVOUT2
HVOUT3
HVOUT1
HV57009

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hv57009 Summary of contents

Page 1

... They are adjustable from 0.1 to 2.0mA through one external resistor or a current source DI/O1A I/O Latch SR1 Latch Latch Latch I/O DI/O1B VSS HV57009 1 is connected to the fi rst stage OUT , and CW shifting when connected to SS 64). Operation of the shift register is OUT DD HVOUT1 HVOUT2 HVOUT3 • • • ...

Page 2

... Product Marking 80-Lead PQFP (PG) (top view Lot Number HV57009PG YY = Year Sealed LLLLLLLLLLL WW = Week Sealed YYWW C = Country of Origin A = Assembler ID CCCCCCCCC AAA = “Green” Packaging 80-Lead PQFP (PG) Min Max 4.5 5 1.2 8.0 DC 4.5 -40 +85 HV57009 Units MHz °C ...

Page 3

... REF . (Logic signal inputs and data inputs have t Min Max 8 500 OUT - 150 - 150 100 3 HV57009 Units Conditions max 8.0MHz DD DD CLK Outputs off -85V µA OUT (total of all outputs) All inputs = V , µA DD ...

Page 4

... SR1 CW • • CW • SR2 HVOUT2 HVOUT1 Pin 25 26 DIR = VDD DI/O1A DI/O2A DI/O2B DI/O1B DI/O2A DI/O1A DI/O1B DI/O2B DIR = VSS 4 Data Out Logic Data Output I CS HVOUT High Voltage Output HVOUT33 • • • • • HVOUT63 HVOUT64 36 37 HV57009 ...

Page 5

... ON Outputs HV Outputs * ON L.....L ON H.....H OFF * Inversion of stored data →Q New ON or OFF n n+1 →Q Previous ON or OFF n n+1 →Q Previous ON or OFF n n-1 →Q New ON or OFF n n-1 HV57009 (off) OUT V DD ...

Page 6

... EXT EXT and V , the R can be calculated by using: REF EXT V REF REF = I OUT and V values can be lo- OUT REF REF > 10KΩ, add series net- EXT to ground for stability as shown results in higher distortion, REF HV57009 IOUT HVOUT EXT is positive, and ...

Page 7

... DI/O2B 56 37 DI/O1B + VBP 60 and V (pin 40) for better output current stability and to prevent transient cross-coupling between outputs HV57009 Function Pin # Function HVOUT64 61 HVOUT44 HVOUT63 62 HVOUT43 HVOUT62 63 HVOUT42 HVOUT61 64 HVOUT41 HVOUT60 65 HVOUT40 HVOUT59 66 HVOUT39 HVOUT58 ...

Page 8

... MAX 3.40 - JEDEC Registration MO-112, Variation CB-1, Issue B, Sept.1995. Drawings not to scale. (The package drawing(s) in this data sheet may not refl ect the most current specifi cations. For the latest package outline information go to http://www.supertex.com/packaging.html.) Doc.# DSFP-HV57009 A040907 Seating ...

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