xr16v2550im Exar Corporation, xr16v2550im Datasheet - Page 38
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xr16v2550im
Manufacturer Part Number
xr16v2550im
Description
High Performance Duart With 16-byte Fifo
Manufacturer
Exar Corporation
Datasheet
1.XR16V2550IM.pdf
(48 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
xr16v2550im-F
Manufacturer:
Exar Corporation
Quantity:
10 000
Part Number:
xr16v2550im-F
Manufacturer:
EXAR/艾科嘉
Quantity:
20 000
XR16V2550
HIGH PERFORMANCE DUART WITH 16-BYTE FIFO
AC ELECTRICAL CHARACTERISTICS
U
NLESS OTHERWISE NOTED
S
XTAL1
ECLK
T
T
T
YMBOL
T
T
T
T
T
T
T
T
T
T
T
Bclk
T
T
T
T
T
T
T
T
T
T
ECLK
WDO
MOD
T
RDV
SSR
SRT
RST
WRI
WR
RSI
RRI
AH
SSI
INT
WT
AS
CS
RD
DY
DD
DY
DS
DH
RR
SI
UART Crystal Oscillator
External Clock
External Clock Time Period
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 Clock
: TA = -40
P
ARAMETER
O
TO
+85
O
C, V
CC
=2.25 - 3.63V, 70
38
M
10
40
40
40
40
40
10
40
0
0
3
8
2.5V ± 10%
IN
16X or 8X or 4X of data rate
L
IMITS
P
F
LOAD WHERE APPLICABLE
M
32
50
35
25
50
50
50
45
45
24
45
45
45
1
1
8
AX
M
35
35
35
35
35
10
40
7
0
0
3
8
3.3V ± 10%
IN
L
IMITS
M
24
64
30
25
50
50
50
45
45
24
45
45
45
1
1
8
AX
REV. 1.0.2
U
MHz
MHz
Bclk
Bclk
Bclk
Bclk
Hz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
NIT