ST16C2550CQ48 EXAR [Exar Corporation], ST16C2550CQ48 Datasheet - Page 2

• Manufacturer Part Number: ST16C2550CQ48
• Description: 2.97V TO 5.5V DUART WITH 16-BYTE FIFO
• Manufacturer: EXAR [Exar Corporation]

ST16C2550
2.97V TO 5.5V DUART WITH 16-BYTE FIFO
F
IGURE
TXRDYB#
OP2B#
TXRDYB#
2. P
RXB
RXA
TXA
TXB
CSA#
CSB#
D5
D6
D7
OP2B#
NC
CSA#
CSB#
RXB
RXA
TXA
TXB
D5
D6
D7
10
11
12
IN
7
8
9
1
2
3
4
5
6
11
12
13
14
15
16
17
7
10
8
9
O
UT
A
SSIGNMENT
48-pin TQFP
ST16C2550
44-pin PLCC
ST16C2550
36
35
34
33
32
31
30
29
28
27
26
25
39
38
37
36
34
33
32
31
29
35
30
RESET
DTRB#
DTRA#
RTSA#
OP2A#
RXRDYA#
INTA
INTB
A0
A1
A2
NC
RESET
DTRB#
DTRA#
RTSA#
OP2A#
RXRDYA#
INTA
INTB
A0
A1
A2
2
OP2B#
XTAL1
XTAL2
CDB#
CSA#
CSB#
IOW#
GND
RXB
RXA
TXA
TXB
D0
D1
D2
D3
D4
D5
D6
D7
10
11
12
13
14
15
16
17
18
19
20
1
2
3
4
5
6
7
8
9
xr
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
VCC
RIA#
CDA#
DSRA#
CTSA#
RESET
DTRB#
DTRA#
RTSA#
OP2A#
INTA
INTB
A0
A1
A2
CTSB#
RTSB#
RIB#
DSRB#
IOR#
REV. 4.4.0