HT16562 Holtek Semiconductor, HT16562 Datasheet
HT16562
Related parts for HT16562
HT16562 Summary of contents
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... Directly drive VFD panels at 1/2 Duty cycle 4.194304MHz crystal oscillation Zero adjust function General Description The HT16562 provides direct drive to VFD panels to im- plement a 12 hour clock function. Obtaining its time base from a 4.194304MHz crystal oscillation source and in having a wide operating voltage due to its internal ...
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... Internally connected to a pull-down resistor. O Crystal oscillator pin test pin - should be left open or kept at a low level O 64Hz signal output pin for oscillation frequency adjustment O Grid output pins for 1/2 duty VFD O O Segment output pins for 1/2 duty VFD 2 HT16562 March 28, 2007 ...
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... V +0.3V High Output Voltage .................. 0. +0.3V Logic Output Voltage ................. 0. Driver Output Current (Segment Driver) 10mA to +2mA SS CC Storage Temperature .......................... +150 C Parameter Min. 4 4.194304 40 3 HT16562 0. +20V +0. 0. +0. Typ. Max. Unit 18 V MHz 85 C March 28, 2007 ...
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... A/C, ZA, HS, MS pins low 12V V = 0.5V for 64Hz pin OL 12V V = 4.0V for 64Hz pin OL 12V V = 0.7V SOL 12V V = 11.3V SOL 12V V = 0.7V SOL 12V V = 11.3V SOL f = 4.194304MHz, OSC 12V Oscillator external capacitors = 22pF 4 HT16562 V =12V, V =0V, Ta Min. Typ. Max. Unit 3 200 200 ...
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... PCB tracks. To ensure ac- curate frequency generation, the crystal specification should be carefully consulted and the external capaci- tors and crystal should be placed as close to the de- vice as possible. 5 HT16562 Operating mode March 28, 2007 ...
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... The following table illustrates a few examples of this operation. Zero Adjust Examples Present Time After Zero Adjust Hr. Min. Sec. Hr. Min March 28, 2007 HT16562 Sec ...
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... DataSheet.in Package Information 30-pin SSOP (300mil) Outline Dimensions Symbol Rev. 1.00 Dimensions in mil Min. Nom. 291 196 9 390 HT16562 Max. 323 220 15 413 March 28, 2007 ...
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... Holtek s products are not authorized for use as critical components in life support devices or systems. Holtek reserves the right to alter its products without prior notification. For the most up-to-date information, please visit our web site at http://www.holtek.com.tw. Rev. 1.00 Preliminary 8 HT16562 March 28, 2007 ...