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HV3137 64-Channel Serial To Parallel Converter With Open Drain Outputs
Ordering Information
Package Options Device HV3137 80-Lead Quad Plastic Gullwing HV3137PG Die HV3137X
Features
HVCMOS technology
(R)
General Description
The HV31 is a low voltage serial to high voltage parallel converter with open drain outputs. It has been designed especially for use as a driver for electrostatic printers. This device consists of a 64-bit shift register, 64 latches, latch enable (LE), and output enable (OE). Data is shifted through the shift register on the high to low transition of the clock. When the DIR pin is set high, the HV31 shifts in the counterclockwise direction when viewed from the top of the package. When the DIR pin is set low, the HV31 shifts in the clockwise direction. A serial data output buffer is provided for cascading devices. This output reflects the current status of the last bit of the shift register. Operation of the shift register is not affected by the LE or the OE inputs. Transfer of data from the shift register to the latch occurs when the LE input is high. The data in the latch is stored when LE is low.
Output voltages up to 375V Sink current minimum 1 mA Shift register speed 6 MHz Latched outputs CMOS compatible inputs Forward and reverse shifting options
Absolute Maximum Ratings1
Supply voltage, VDD Supply voltage, VPP Logic input levels Ground current2 Continuous total power dissipation2 -0.5V to +9V -0.5V to +400V -0.5V to VDD +0.5V 0.75A 1200mW -40C to +85C -65C to +150C
Operating temperature range Storage temperature range
Notes: 1. All voltages are referenced to GND. 2. For operation above 25C ambient derate linearly by 20mW/C up to 85C.
02/96/022
Supertex Inc. does not recommend the use of its products in life support applications and will not knowingly sell its products for use in such applications unless it receives an adequate "products liability indemnification insurance agreement." Supertex does not assume responsibility for use of devices described and limits its liability to the replacement of devices determined to be defective due to workmanship. No responsibility is assumed for possible omissions or inaccuracies. Circuitry and specifications are subject to change without notice. For the latest product specifications, refer to the Supertex website: http://www.supertex.com. For complete liability information on all Supertex products, refer to the most current databook or to the Legal/Disclaimer page on the Supertex website.
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HV3137
Electrical Characteristics (over recommended operating conditions unless noted)
DC Characteristics
Symbol IDD IDDQ IO(OFF) IIH IIL VOH VOL VOC CHVO Parameter VDD Supply Current Quiescent VDD Supply Current Off State Output Current at 25C, per Switch High-Level Logic Input Current Low-Level Logic Input Current High-Level Data Out Low-Level Output HVOUT Data Out HVOUT Clamp Voltage Output Capacitance per Channel VDD -1V 10 1 -3.0 3 Min Typ Max 15 Units mA LE = LOW 250 100 10 -10 A nA A A V V V V pF All VIN = 0V Output high, and at 375V VIH = VDD VI = 0V IDOUT = -100A IHVOUT = +1mA IDOUT = +100A IOL = -1mA VDS = 100V Conditions fCLK = 6MHz, fDATA = 3MHz
AC Characteristics
Symbol fCLK tW tSU tH tWLE tDLE tSLE tDHL tDLH Clock Frequency Clock Width High or Low Data Setup Time Before Clock Falls Data Hold Time After Clock Falls Width of Latch Enable Pulse LE Delay Time After Falling Edge of Clock LE Setup Time Before Falling Edge of Clock Clock Delay Time Data High to Low Clock Delay Time Data Low to High 83 35 15 83 35 40 135 135 Parameter Min Typ Max 6 Units MHz ns ns ns ns ns ns ns ns Conditions
Recommended Operating Conditions
Symbol VDD HVOUT VIH VIL TA Logic supply voltage High voltage output High-level input voltage Low-level input voltage Operating free-air temperature Parameter Min 4.5 8.0 3.5 0 -40 Typ 5 Max 5.5 375 VDD 0.8 +85 Units V V V V C
Notes: Power-up sequence should be the following: 1. Connect ground. 2. Apply VDD. 3. Set all inputs (Data, CLK, Enable, etc.) to a known state. 4. Apply VPP. Power-down sequence should be the reverse of the above.
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HV3137
Input and Output Equivalent Circuits
VDD VDD
HVOUT
Input
Data Out
HVIN
GND
GND Logic Inputs
GND Logic Data Output High Voltage Outputs
Switching Waveforms
Data In Data Valid 1 tSU Clock tH Data Valid 2
Data Out
tWH
tWL
tDHL
Data Out tDLH
Latch Enable tDLE tWLE tSLE
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HV3137
Functional Block Diagram
Output Enable LE HVOUT1 Data Input
HVOUT2 Clock * * * 60 Additional Outputs * * * HVOUT63
64 bit Static Shift Register
64 Latches
DIR
HVOUT64
Data Out
Function Table
Inputs Function All off Load S/R Data X H or L H or L Load Latch Output Enable Transparent Latch Mode X X H L CLK X X H or L LE X L L H H H H OE L L L L H H H DIR X H L X X X X Shift Reg 1 2 ... 64 *...* H or L...Qn Qn+1 H or L...Qn Qn-1 H or L...* H or L...* H...* L ...* Outputs Latch HVOUT 1 2 ... 64 1 2 ... 64 *...* *...* *...* H or L...* H or L...* H...* L...*
OFF...OFF OFF...OFF OFF...OFF OFF...OFF ON or OFF...* ON ...* OFF...*
DOUT * * * * * * *
Notes: X = Don't care * = Dependent on previous stage's state before the last CLK : High to low transition. = High to low transition H = High level L = Low level
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HV3137
Pin Configurations
PG and DG Packages HV31 Pin 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 Function GND N/C HVOUT 59/6 HVOUT 60/5 HVOUT 61/4 HVOUT 62/3 HVOUT 63/2 HVOUT 64/1 DIR Data Out CLK GND VDD LE Data In OE HVOUT 1/64 HVOUT 2/63 HVOUT 3/62 HVOUT 4/61 HVOUT 5/60 HVOUT 6/59 N/C HVOUT GND HVOUT 7/58 HVOUT 8/57 HVOUT 9/56 HVOUT 10/55 HVOUT 11/54 HVOUT 12/53 HVOUT 13/52 HVOUT 14/51 HVOUT 15/50 HVOUT 16/49 HVOUT 17/48 HVOUT 18/47 HVOUT 19/46 HVOUT 20/45 HVOUT 21/44 HVOUT 22/43 Pin 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 Function N/C N/C HVOUT 23/42 HVOUT 24/41 HVOUT 25/40 HVOUT 26/39 HVOUT 27/38 HVOUT 28/37 HVOUT 29/36 HVOUT 30/35 HVOUT 31/34 HVOUT 32/33 HVOUT 33/32 HVOUT 34/31 HVOUT 35/30 HVOUT 36/29 HVOUT 37/28 HVOUT 38/27 HVOUT 39/26 HVOUT 40/25 HVOUT 41/24 HVOUT 42/23 N/C N/C HVOUT 43/22 HVOUT 44/21 HVOUT 45/20 HVOUT 46/19 HVOUT 47/18 HVOUT 48/17 HVOUT 49/16 HVOUT 50/15 HVOUT 51/14 HVOUT 52/13 HVOUT 53/12 HVOUT 54/11 HVOUT 55/10 HVOUT 56/9 HVOUT 57/8 HVOUT 58/7
Package Outline
64 41
65
40
Index
80
25
1
24
top view
80-pin Gullwing Package
Note: Pin designation DIR = H/L Example: For DIR = H, Pin 3 is HVOUT 59 For DIR = L, Pin 3 is HVOUT 6
02/06//02
(c)2002 Supertex Inc. All rights reserved. Unauthorized use or reproduction prohibited.
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1235 Bordeaux Drive, Sunnyvale, CA 94089 TEL: (408) 744-0100 * FAX: (408) 222-4895 www.supertex.com

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