XR16L2550IM-F Datasheet, PDF (2/44 Pages) Exar Corporation – LOW VOLTAGE DUART WITH 16-BYTE FIFO

XR16L2550
LOW VOLTAGE DUART WITH 16-BYTE FIFO
FIGURE 2. PIN OUT ASSIGNMENT
REV. 1.1.3
D5 1
D6 2
D7 3
RXB 4
RXA 5
TXRDYB# 6
TXA 7
TXB 8
OP2B# 9
CSA# 10
CSB# 11
NC 12
XR16L2550
48-pin TQFP
D5 7
D6 8
D7 9
RXB 10
RXA 11
TXRDYB# 12
TXA 13
TXB 14
OP2B# 15
CSA# 16
CSB# 17
XR16L2550
44-pin PLCC
36 RESET
35 DTRB#
34 DTRA#
33 RTSA#
32 OP2A#
31 RXRDYA#
30 INTA
29 INTB
28 A0
27 A1
26 A2
25 NC
39 RESET
38 DTRB#
37 DTRA#
36 RTSA#
35 OP2A#
34 RXRDYA#
33 INTA
32 INTB
31 A0
30 A1
29 A2
D6 ¹
D7 ²
RXB ³
RXA ⁴
TXA ⁵
TXB 6
CSA# 7
CSB# 8
XR16L2550
32-pin QFN
24 RESET
23 RTSA#
22 INTA
21 INTB
20 A0
19 A1
18 A2
17 NC
ORDERING INFORMATION
PART NUMBER
PACKAGE
XR16L2550IL
32-Lead QFN
XR16L2550IJ
44-Lead PLCC
XR16L2550IM
48-Lead TQFP
OPERATING TEMPERATURE RANGE
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
DEVICE STATUS
Active
Active
Active
2