XR19L220_07 Datasheet, PDF (2/43 Pages) Exar Corporation – SINGLE CHANNEL INTEGRATED UART AND RS-232 TRANSCEIVER

XR19L220
SINGLE CHANNEL INTEGRATED UART AND RS-232 TRANSCEIVER
FIGURE 2. PIN OUT OF THE DEVICE
REV. 1.0.1
VCC
CTS
RXD
DSR
I/M#
D5
GND
D6
D7
CS#
TXD
40 39 38 37 36 35 34 33 32 31
1
30
2
29
3
28
4
27
5
40-pin QFN
26
6
Intel Bus Mode
25
7
24
8
23
9
22
10
21
11 12 13 14 15 16 17 18 19 20
C1-
C1+
RESET
GND
INT
A0
A1
A2
VREF-
C2-
GND
40 39 38 37 36 35 34 33 32 31
CTS 1
30
RXD 2
29
DSR 3
28
I/M# 4
D5 5
GND 6
27
40-pin QFN
26
Motorola Bus Mode ₂₅
D6 7
24
D7 8
23
CS# 9
22
TXD 10
21
11 12 13 14 15 16 17 18 19 20
C1-
C1+
RESET#
GND
IR Q #
A0
A1
A2
VREF-
C2-
ORDERING INFORMATION
PART NUMBER
XR19L220IL40
PACKAGE
40-QFN
OPERATING TEMPERATURE RANGE
-40°C to +85°C
DEVICE STATUS
Active
2