xr16c2550ip Exar Corporation, xr16c2550ip Datasheet - Page 2

• Manufacturer Part Number: xr16c2550ip
• Description: Dual Uart With 16-byte Transmit And Receive Fifos
• Manufacturer: Exar Corporation

XR16C2550
2.97V TO 5.5V DUART WITH 16-BYTE FIFO
ORDERING INFORMATION
F
IGURE
TXRDYB#
TXRDYB#
OP2B#
OP2B#
XR16C2550IM
XR16C2550IP
P
XR16C2550IJ
CSA#
CSB#
CSA#
CSB#
RXB
RXA
RXB
RXA
TXA
TXB
TXA
TXB
ART
D5
D6
D7
NC
D5
D6
D7
2. P
10
11
12
7
8
9
11
12
13
14
15
16
17
1
2
3
4
5
6
7
10
N
8
9
UMBER
IN
O
UT
A
SSIGNMENT
44-Lead PLCC
48-Lead TQFP
48-pin TQFP
XR16C2550
40-Lead PDIP
44-pin PLCC
XR16C2550
P
ACKAGE
T
EMPERATURE
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
O
36
35
34
33
32
31
30
29
28
27
26
25
39
38
37
36
34
33
32
31
29
35
PERATING
30
RESET
DTRB#
DTRA#
RTSA#
OP2A#
RXRDYA#
INTA
INTB
A0
A1
A2
A0
A1
A2
NC
INTA
INTB
RESET
DTRB#
DTRA#
RTSA#
OP2A#
RXRDYA#
2
R
ANGE
Active. See the XR16C2550IM for new designs.
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
D
EVICE
Active
Active
S
TATUS
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
xr
A0
A1
A2
VCC
RIA#
CDA#
INTA
INTB
RIB#
IOR#
DSRA#
CTSA#
RESET
DTRB#
DTRA#
RTSA#
OP2A#
CTSB#
RTSB#
DSRB#
REV. 1.0.1