XR16C2850CM48 EXAR [Exar Corporation], XR16C2850CM48 Datasheet - Page 32

• Manufacturer Part Number: XR16C2850CM48
• Description: 3.3V AND 5V DUART WITH 128-BYTE FIFO
• Manufacturer: EXAR [Exar Corporation]

AC ELECTRICAL CHARACTERISTICS
TA=0
S
YMBOL
T
T
OSC
OSC
T
T
T
T
T
CLK
T
T
T
T
T
Bclk
T
T
T
T
T
T
T
T
T
T
T
WDO
T
MOD
RDV
SSR
SRT
RST
WRI
WR
RSI
SSI
RRI
INT
N
AS
AH
RD
DD
DH
RR
WT
CS
DY
DY
DS
SI
O
TO
70
Clock Pulse Duration
Oscillator Frequency
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 IOR# To Reset Interrupt
Delay From Stop To Interrupt
Delay From Initial INT Reset To Transmit Start
Delay From IOW# To Reset Interrupt
Delay From Stop To Set RXRDY#
Delay From IOR# To Reset RXRDY#
Delay From IOW# To Set TXRDY#
Delay From Center of Start To Reset TXRDY#
Reset Pulse Width
Baud Rate Divisor
Baud Clock
O
C (-40
O
TO
+85
P
ARAMETER
O
C
3.3V AND 5V DUART WITH 128-BYTE FIFO
FOR INDUSTRIAL GRADE PACKAGE
32
M
IN
17
10
66
35
40
40
40
20
40
5
0
5
8
1
L
3.3V
IMITS
16X or 8X of data rate
), V
2
M
16
33
35
25
50
40
40
45
45
24
45
45
45
8
1
1
8
AX
CC IS
-1
M
3.3
IN
17
25
30
30
15
50
25
40
0
5
0
5
8
1
L
OR
5.0V
IMITS
5.0V ±10%
2
16
M
24
50
25
15
40
35
35
40
40
24
40
40
40
1
1
8
-1
AX
U
MHz
MHz
Bclk
Bclk
Bclk
Bclk
bps
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
NIT
-
XR16C2850
100 pF load
100 pF load
100 pF load
100 pF load
C
ONDITIONS
REV. 2.0.0