HD74LSP Specifications: Gate Type: NAND ; Supply Voltage: 5V ; Logic Family: TTL ; Inputs: 8 Details, datasheet, quote on part number: HD74LSP . The semiconductor operations of Mitsubishi Electric and Hitachi were transferred to Renesas. Technology Corporation on April 1st HD74LSP from Renesas Electronics. Find the PDF Datasheet, Specifications and Distributor Information.
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The capacitance of the varactor is changed to tune the 4. The processor may be HALTed indefinitely without any loss of internal data.
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H Pi] KCJ -?? TTL level positive Vsync: I for PAL version1.
The two 8-bit data registers are controlled by ddatasheet data direction registers. Ensure that the correct type is used when reassembl- ing. The 68B09E microprocessor is perhaps the most powerful 8-bit microprocessor available today.
The push-button switch merely provides a momentary ground contact for an input signal. Least significant address byte MS: Disconnect power and remove signal cables from the unit.
Descr ip t ion RS Part No. The chip contains color subcarrier oscillator, voltage controlled 90 degrees phase shifter, two double-sideband suppressed carrier chroma modulators, RGB input matrix, and blanking level c 1 amp s. The B side of this PIA is configured as outputs and connects to the column lines of the keyboard matrix. The most significant bit of data register A pin 9 is programmed as an input for the joystick interface. Trouble with semiconductors may lead to personal injury, fire or property damage.
These determine which of the joystick inputs is to be compared against the DAC, as well as which sound source is coupled to the sound output pin according to the table on the next page.
The printer generates a BUSY whea it is not ready. Remove cartridge from slot if applicable. Please also pay attention to information published by Renesas Technology Corp. Descr ipt ion 1 RS Part No. One block type byte: Two bytes for the load address of a machine language program 5. This signal is provided to the video output terminal through buffer Q2, Q3 and to the modulator. The potentiometers are connected so that 5 volts are applied to one side of the variable resistor, and ground is connected to the other.
HD74LSP (RENESAS) PDF技术资料下载 HD74LSP 供应信息 IC Datasheet 数据表 (8/8 页)
The TR bit of FF91 task register select bit determines which set is selected. Check to see the burst appears every 1H 64usec. Diagnostic aids are available from Radio Shack National Parts to assist the technician in the servicing of the Color Computer 3.
They are as follows: PAL center-tapped for use by the power supply. This allows decoded but unused sections of memory to be used by the cartridge hardware. Removal of Main PCB 26 If these products or technologies are subject to hd7ls374p Japanese export control restrictions, they must hs74ls374p exported under a license from the Japanese government and.
The printer will automatically return the carriage at the end of the line. Pin 11 of register B is the single-bit sound output. Most significant address byte 2. If greater than that, they are considered to be a space. Any greater signal amplitude will result in clipping distortion of the sound waveform. This is filtered by electrolytic capacitor C The most common usage of the cartridge connector is with the ROM cartridge.