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DS8187 Dataheets PDF



Part Number DS8187
Manufacturers National Semiconductor Corporation
Logo National Semiconductor Corporation
Description Vacuum Fluorescent Display Driver
Datasheet DS8187 DatasheetDS8187 Datasheet (PDF)

DS8187 Vacuum Fluorescent Display Driver June 1992 DS8187 Vacuum Fluorescent Display Driver www.datasheet4u.com General Description The DS8187 is a vacuum fluorescent display tube driver This device is implemented in CMOS technology to provide high voltage output drivers and low power Dimming may be accomplished by either analog or digital input Autoload capability is accomplished by connecting the DATA OUT pin to the LOAD ENABLE input pin with the addition of a start bit to the input data st.

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DS8187 Vacuum Fluorescent Display Driver June 1992 DS8187 Vacuum Fluorescent Display Driver www.datasheet4u.com General Description The DS8187 is a vacuum fluorescent display tube driver This device is implemented in CMOS technology to provide high voltage output drivers and low power Dimming may be accomplished by either analog or digital input Autoload capability is accomplished by connecting the DATA OUT pin to the LOAD ENABLE input pin with the addition of a start bit to the input data stream Features Y Y Y Y Y Y 33 Segment Direct Drive 25 b 0 8 mA and 8 b 2 mA output drivers 49 steps of dimming mask programmable Analog or digital input dimming control DATA OUT pin for cascading Mask options allow reconfiguring of outputs with respect to shift register bit position Autoload or external load capability Block Diagram TL F 11220 – 4 FIGURE 1 C1995 National Semiconductor Corporation TL F 11220 RRD-B30M105 Printed in U S A Absolute Maximum Ratings If Military Aerospace specified devices are required please contact the National Semiconductor Sales Office Distributors for availability and specifications b 0 3 to a 20V Supply Volltage (VCC) b 0 3 to VCC a 0 3V DC Input Voltage (VIN) DC Output Voltage (VOUT) www.datasheet4u.com b 65 to a 150 C Storage Temperature Range Lead Temperature (Soldering 10 sec ) 260 C Power Dissipation (PD) at 25 C DIP Board Mount DIP Socket Mount Typical Values iJA DIP Board Mount iJA DIP Socket Mount TBD TBD TBD C W TBD C W Operating Conditions Supply Voltage (VCC) DC Input or Output Voltage Temperature Range Electro-Static Discharge (ESD) Min 8 0 b 40 Max 18 VCC a 85 2K Unit V V C V DC Electrical Characteristics VCC e 8V to 18V All voltages referenced to GND unless otherwise specified Symbol VIH VIL IIH1 IIH2 IIH3 IIL1 IIL2 IIL3 ILI VOH1 VOH2 VOH3 VOL1 Parameter High Level Input Voltage Low Level Input Voltage High Level Input Current (Clock Data In Load VK) High Level Input Current (Blank) High Level Input Current (TEST2) Low Level Input Current (Clock Data In Load VK) Low Level Input Current (BLANK IN) Low Level Input Current (TEST2) Input Leak Current (VD) High Level Output Voltage (Low Current Driver) High Level Output Voltage (High Current Drive) High Level Output Voltage (DATA OUT PWM OUT) Low Level Output Voltage (All Drivers) Low Level Output Voltage (DATA OUT PWM OUT) Supply Current VIH1 e 5 0V VIH2 e 5 0V T e 25 C VIH3 e % 0V T e 25 C VIL1 e 0V VIL2 e 0V T e 25 C VIL3 e 0V T e 25 C VIN 0V to 6V VCC e 9 5V IOH1 e b0 8 mA VCC e 9 5V IOH2 e b2 mA VCC e 9 5V IOH3 e b200 mA IOH3 e b20 mA VCC e 9 5V IOL1 e 500 mA IOL1 e 200 mA IOL1 e 2 mA Conditions Min 38 0 b5 b 20 b 100 b5 b 125 b 700 b5 Max 6 08 5 10 20 5 b5 b 100 Units V V mA mA mA mA mA mA mA V V 5 VCCb0 8 VCCb0 8 4 45 6 6 2 1 03 08 20 V V V V V V mA VOL2 ICC VCC e 9 5V IOL2 e 200 mA No Load Note 1 Absolute maximum ratings are those values beyond which damage to the device may occur 2 AC Electrical Characteristics Symbol fC PWC Paramete.


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