Take a look at the schematics. You will see the familiar elements like the VFD segment and grid driver transistors. On the top left you can see the LMT boost converter. Read more about power supply considerations below. Simply because of size and money.
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Serial data is fed to PT via a three-line serial interface. CMOS Technology? Low Power Consumption? Key Scanning 16 x 2 matrix? Multiple Display Modes: 16 segments, 12 digits to 24 segments, 4 digits?
Microcomputer Peripheral Device PT v2. When these commands are executed, the display is forcibly turned off, the key scanning stops. If the same mode setting is selected, no command execution is take place, therefore, nothing happens.
Please refer to the diagram below. When the most significant bit of the data SG1, b0 has been read, the least significant bit of the next data SG16, b7 is read. K2 K Please refer to the diagrams below. If the address is set to 24H or higher, the data is ignored until a valid address is set. It also used to set the pulse width.
One cycle of key scanning consists of 2 frames. The data of the 16 x 2 matrix is stored in the RAM. PT v2. Please refer to the following diagram. Command 1: Display Mode Commands 2. Command 2: Data Setting Commands 3. Command 3 : Address Setting Commands 4.
Command 4: Display Control Commands 5. When IC power is applied for the first time, the contents of the Display RAM are not defined; thus, it is strongly suggested that the contents of the Display RAM must be cleared during the initial setting. Unit Logic Supply Voltage V 3. The Lead Free mark is put in front of the date code. Controlling Dimensions are in millimeters.
The top packge body size may be smaller than the bottom package size by as much as 0. Datums A-B and D to be determined at datum plane H. Dimensions D1 and E1 do not include mold protrusion. Allowable protrusion is 0. D1 and E1 are maximum plastic body size dimensions including mold mismatch. Details of pin1 identifier are optional but must be located within the zone indicated.
Dimension b does not include dambar protrusion. Alowable dambar protrusion shall not cause the lead to exceed the maximum b dimension by more than 0.
Dambar cannot be located on the lower radius or the foot. Minimum space between protrusion and an adjacent lead is 0. A1 is defined as the distance from the seating plane to the lowest point on the package body. Dimension D do not include mold flash, protrusions or gate burrs.
Mold flash, protrusions or gate burrs shall not exceed 0.
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