SC26L198 Philips Semiconductors, SC26L198 Datasheet - Page 2

• Manufacturer Part Number: SC26L198
• Description: Octal UART with TTL compatibility at 3.3V and 5V supply voltages
• Manufacturer: Philips Semiconductors

1. For availability, please contact factory.
Philips Semiconductors
Uses
Statistical Multiplexers
Data Concentrators
Automotive, cab and engine controls
Entertainment systems
FEATURES
ORDERING CODE
NOTES:
1995 May 1
Terminal Servers
84-Pin Plastic Leaded Chip Carrier (PLCC)
84-Pin Plastic Leaded Chip Carrier (PLCC)
84-Pin Plastic Leaded Chip Carrier (PLCC)
84-Pin Plastic Leaded Chip Carrier (PLCC)
Single 3.3v power supply
Eight Philips industry standard full duplex UART channels
Sixteen byte receiver FIFOs for each UART
Sixteen byte transmit FIFOs for each UART
In band flow control using programmable Xon/Xoff characters
Flow control using CTSN RTSN hardware handshaking
Automatic address detection in multi-drop mode
Three byte general purpose character recognition
Fast data bus, 30 ns data bus release time, 125 ns bus cycle time
Programmable interrupt priorities
Automatic identification of highest priority interrupt pending
Global interrupt and control registers ease setup and interrupt
handling
Vectored interrupts with programmable interrupt vector formats
– Interrupt vector modified with channel number
– Interrupt vector modified with channel number and channel type
– Interrupt vector not modified
Octal UART with TTL compatibility at 3.3V
and 5V supply voltages
Packet–switching networks
Process Control
Building or Plant Control
Laboratory data gathering
ISDN front ends
Computer Networks
Point–of–Sale terminals
MIDDI keyboard control music systems
Theater lighting control
Computer–Printer/Plotter links
PACKAGES
PACKAGES
337
SC26C198C1A
SC68C198C1A
SC26L198C1A
SC68L198C1A
0 C to +70 C
0 C to +70 C
0 C to +70 C
Commercial
Commercial
Commercial
IACKN and DACKN signal pins
Watch dog timer for each receiver (64 receive clock counts)
Programmable Data Formats:
– 5 to 8 data bits plus parity
– Odd, even force or no parity
– 1, 1.5 or 2 stop bits
Flexible baud rate selection for receivers and transmitters:
– 22 fixed rates; 50 – 230.4K baud or 100 to 460.8K baud
– Additional non–standard rates to 500K baud with internal
– Two reload–counters provide additional programmable baud
– External 1x or 16x clock inputs
– Simplified baud rate selection
1 MHz 1x and 16x data rates full duplex all channels.
Parity, framing and overrun error detection
False start bit detection
Line break detection and generation
Programmable channel mode
– Normal(full duplex)
– Diagnostic modes
Four I/O ports per UART for modem controls, clocks, RTSN, I/O
etc.
– All I/O ports equipped with ”Change of State Detectors”
Two global inputs and two global outputs for general purpose I/O
Power down mode
On chip crystal oscillator, 2–8 MHz
TTL input levels. Outputs switch between full V
High speed CMOS technology
68 pin PLCC
automatic echo
local loop back
emote loop back
generators
rate generation
V
V
CC
CC
= 3.3V 10%
= 5V 10%
SC26C198 SC68C198
SC26L198 SC68L198
-40 C to +85 C
-40 C to +85 C
-40 C to +85 C
SC26C198A1A
SC68C198A1A
SC26L198A1A
SC68L198A1A
Industrial
Industrial
Industrial
1
1
1
Product specification
CC
and V
SOT189-3
SOT189-3
SOT189-3
SOT189-3
DWG #
DWG #
SS