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6565R56A, 6566, 65664

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Info of 6565R56A
Info of 6566
Info of 65664

6565R56A, 6566, 65664 Selling Leads, Datasheet

MFG:LUCENT Package Cooled:83+ D/C:CDIP40

6565R56A, 6566, 65664 Datasheet download

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Part Number: 6565R56A

MFG: LUCENT

Package Cooled: 83+

D/C: CDIP40

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6566 General Description

The M43C505 (e3505) is a member of the MARC4 family of low cost, single chip CMOS microcontrollers. This 4-bitmC contains an on-chip RC oscillator, CPU core, RAM, ROM, I/O, 32-kHz crystal oscillator, 15-stage prescaler/intervaltimer and liquid crystal display driver circuitry.

6566 Maximum Ratings

Parameters	Symbol	Value	Unit
Supply voltage	V_DD	0.3 to +7.0	V
Input voltage (on any pin)	V_IN	V_SS 0.3 V_IN V_DD +0.3	V
Output short circuit duration	t_short	indefinite	sec
Operating temperature range	T_amb	40 to +85
Storage temperature range	T_stg	40 to +125
Thermal resistance (PLCC)	_JA	70	/W
Maximum solder temperature	T_sld	260 (t 3 10 sec)

Stresses greater than those listed under absolute maximum ratings may cause permanent damage to the device. This is a stress rating only and functional operation of the device at any condition above those indicated in the operational section of these specification is not implied.

Exposure to absolute maximum rating condition for an extended period may affect device reliability. All inputs and outputs are protected against high electrostatic voltages or electric fields. However, precautions to minimize built-up of electrostatic charges during handling are recommended. Reliability of operation is enhanced if unused inputs are connected to an appropriate logic voltage level (e.g., VDD).

6566 Features

` 4 bit stack oriented Harvard architecture
` 4 K x 8 bit application ROM
` 253 x 4 bit of on-chip RAM
` 13 bidirectional I/O lines
` 4 input lines with interrupt facility
` Fast on-chip RC oscillator core operating frequency min. 1 MHz at 3 Volts (2 s instruction cycle time)
` Separate watch crystal oscillator for time keeping
` 2 external and 2 interval timer / prescaler interrupts
` Master reset and static power-on reset circuitry with brown-out function
` Programmable LCD module for up to 80 segment

6566 Connection Diagram

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