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SC26C92C1B551, SC26C94, SC26C941N

Table of contents:
Info of SC26C92C1B551
Info of SC26C94
Info of SC26C941N

SC26C92C1B551, SC26C94, SC26C941N Selling Leads, Datasheet

MFG:PHILLIPS Package Cooled:PLCC52 D/C:09+

SC26C92C1B551, SC26C94, SC26C941N Picture

SC26C92C1B551, SC26C94, SC26C941N Datasheet download

Five Points

Part Number: SC26C92C1B551

MFG: PHILLIPS

Package Cooled: PLCC52

D/C: 09+

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SC26C94 General Description

The 26C94 quad universal asynchronous receiver/transmitter (QUART) combines four enhanced Philips Semiconductors industry-standard UARTs with an innovative interrupt scheme that can vastly minimize host processor overhead. It is implemented using Philips Semiconductors' high-speed CMOS process thatcombines small die size and cost with low power consumption.

The operating speed of each receiver and transmitter can be selected independently at one of eighteen fixed baud rates, a 16X clock derived from a programmable counter/timer, or an external 1X or 16X clock. The baud rate generator and counter/timer can operate directly from a crystal or from external clock inputs. The ability to independently program the operating speed of the receiver and transmitter make the QUART particularly attractive for dual-speed channel applications such as clustered terminal systems.

Each receiver is buffered with eight character FIFOs (first-in-first-out memories) and one shift register to minimize the potential for receiver overrun and to reduce interrupt overhead in interrupt driven systems. In addition, a handshaking capability is provided to disable a remote UART transmitter when the receiver buffer is full. (RTS control)

The 2694 provides a power-down mode in which the oscillator is stopped and the register contents are stored. This results in reduced power consumption on the order of several magnitudes. The QUART is fully TTL compatible and operates from a single +5V power supply.

SC26C94 Maximum Ratings

SYMBOL	PARAMETER	RATING	UNIT
T_A	Operating ambient temperature range 3	Note 4
T_STG	Storage temperature range	65 to +150
V_CC	Voltage from V to GND4	0.5 to +7.0	V
V_S	Voltage from any pin to ground4	0.5 to Vcc +0.5	V
P_D	Power dissipation	1	W

SC26C94 Features

New low overhead interrupt control
Four Philips Semiconductors industry-standard UARTs
Eight byte receive FIFO and eight byte transmit FIFO for each
   UART
Programmable data format:
   5 to 8 data bits plus parity
   Odd, even, no parity or force parity
   1, 1.5 or 2 stop bits programmable in 1/16-bit increments
Baud rate for the receiver and transmitter selectable from:
   23 fixed rates: 50 to 230.4K baud Non-standard rates to 1.0M
   baud
   User-defined rates from the programmable counter/timer
   associated with each of two blocks
   External 1x or 16x clock
Parity, framing, and overrun error detection
False start bit detection
Line break detection and generation

SC26C94 Connection Diagram

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