XR16L2450IJ-F Exar Corporation, XR16L2450IJ-F Datasheet - Page 22

• Manufacturer Part Number: XR16L2450IJ-F
• Description: 2.25 To 5.5V W/ 5V TOLERANT DUART
• Manufacturer: Exar Corporation

Specifications of XR16L2450IJ-F

• Features: *
• Number Of Channels: 2, DUART
• Fifo's: 1 Byte
• Protocol: RS232
• Voltage - Supply: 2.25 V ~ 5.5 V
• With False Start Bit Detection: Yes
• With Modem Control: Yes
• With Cmos: Yes
• Mounting Type: Surface Mount
• Package / Case: 44-LCC (J-Lead)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

XR16L2450
2.25V TO 5.5V DUART
AC ELECTRICAL CHARACTERISTICS
U
70
S
NLESS OTHERWISE NOTED
T
T
YMBOL
T
T
OSC
T
CLK
T
T
P
T
T
Bclk
T
T
T
T
T
T
T
T
T
WDO
MOD
RDV
RST
WRI
F
WR
RSI
N
SSI
INT
AS
AH
CS
RD
DY
DD
DY
DS
DH
-
LOAD WHERE APPLICABLE
Crystal Frequency
External Clock Low/High Time
External Clock Frequency
Address Setup Time
Address Hold Time
Chip Select Width
IOR# Strobe Width
Read Cycle Delay
Data Access Time
Data Disable Time
IOW# Strobe Width
Write Cycle Delay
Data Setup Time
Data Hold Time
Delay From IOW# To Output
Delay To Set Interrupt From MODEM Input
Delay To Reset Interrupt From IOR#
Delay From Stop To Set Interrupt
Delay From Initial INT Reset To Transmit
Start
Delay From IOW# To Reset Interrupt
Reset Pulse Width
Baud Rate Divisor
Baud Clock
: TA=-40
P
ARAMETER
O
TO
+85
O
C, V
CC IS
22
M
2.25V
150
150
150
150
150
31
10
10
25
15
40
IN
0
8
1
L
IMITS
2.5
TO
2
125
150
150
150
150
M
16
16
45
24
5.5V,
8
1
AX
-1
16X of data rate
M
25
10
10
75
75
75
75
75
20
10
40
IN
0
8
1
L
IMITS
3.3
2
M
16
16
20
70
30
75
75
75
24
75
1
AX
-1
M
IN
21
10
10
50
50
50
50
50
15
10
40
0
8
1
L
IMITS
5.0
xr
2
16
24
24
45
30
50
50
50
24
50
M
1
-1
AX
REV. 1.1.1
MHz
MHz
U
Bclk
Bclk
Hz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
NIT
-