ST16C550IQ48 Exar Corporation, ST16C550IQ48 Datasheet
![no-image](/images/manufacturer_photos/0/2/243/exar_corporation_sml.jpg)
ST16C550IQ48
Manufacturer Part Number
ST16C550IQ48
Description
Manufacturer
Exar Corporation
Datasheet
1.ST16C550IP40.pdf
(35 pages)
Specifications of ST16C550IQ48
Case
TQFP48
Date_code
06
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
ST16C550IQ48
Manufacturer:
EXAR/艾科嘉
Quantity:
20 000
Company:
Part Number:
ST16C550IQ48-F
Manufacturer:
EXAR
Quantity:
3 000
Company:
Part Number:
ST16C550IQ48-F
Manufacturer:
EXAR21
Quantity:
410
Company:
Part Number:
ST16C550IQ48-F
Manufacturer:
Exar Corporation
Quantity:
10 000
Company:
Part Number:
ST16C550IQ48TR-F
Manufacturer:
EXAR
Quantity:
101
Company:
Part Number:
ST16C550IQ48TR-F
Manufacturer:
EXAR
Quantity:
690
Company:
Part Number:
ST16C550IQ48TR-F
Manufacturer:
Exar Corporation
Quantity:
10 000
Part Number:
ST16C550IQ48TR-F
Manufacturer:
EXAR/艾科嘉
Quantity:
20 000
The ST16C550 (550) is a universal asynchronous re-
ceiver and transmitter with 16 byte transmit and receive
FIFO. It operates at 2.97 to 5.5 volts. A programmable
baud rate generator can select transmit and receive
clock rates from 50 bps to 1.5 Mbps.
The ST16C550 is an improved version of the NS16C550
UART with higher operating speed and lower access
time. The ST16C550 on board status registers provides
the error conditions, type and status of the transfer
operation being performed. Included is complete MO-
DEM control capability, and a processor interrupt
system that may be software tailored to the user’s
requirements. The ST16C550 provides internal loop-
back capability for on board diagnostic testing.
The ST16C550 is available in 40 pin PDIP, 44 pin PLCC,
and 48 pin TQFP packages. It is fabricated in an
advanced CMOS process to achieve low drain power
and high speed requirements.
Part number
ST16C550CP40
ST16C550IP40
ST16C550IJ44
ST16C550IQ48
ST16C550CJ44
ST16C550CQ48
GENERAL DESCRIPTION
FEATURES
Pin to pin and functionally compatible to the Industry
Standard 16C550
2.97 to 5.5 volt operation
24MHz clock operation at 5V
16MHz clock operation at 3.3V
16 byte transmit FIFO
16 byte receive FIFO with error flags
Full duplex operation
Transmit and receive control
Four selectable receive FIFO interrupt trigger levels
ORDERING INFORMATION
Rev. 5.01
EXAR Corporation, 48720 Kato Road, Fremont, CA 94538 (510) 668-7000 FAX (510) 668-7017
Package
40-Lead PDIP
44-Lead PLCC
48-Lead TQFP
40-Lead PDIP
44-Lead PLCC
48-Lead TQFP
Operating temperature
0° C to + 70° C
0° C to + 70° C
0° C to + 70° C
-40° C to + 85° C
-40° C to + 85° C
-40° C to + 85° C
Standard modem interface
Compatible with ST16C450
Low operating current ( 1.2mA typ.)
-BAUDOUT
Device Status
Active. See the ST16C550CQ48 for new designs.
Active
Active
Active. See the ST16C550IQ48 for new designs.
Active
Active
RCLK
-CS2
N.C.
CS0
CS1
RX
D5
D6
D7
TX
10
11
12
13
14
15
16
17
7
8
9
UART WITH 16-BYTE FIFO’s
PLCC Package
ST16C550CJ44
ST16C550
April 2005
39
38
37
36
35
34
33
32
31
30
29
RESET
-OP1
-DTR
-RTS
-OP2
N.C.
INT
-RXRDY
A0
A1
A2