xr16c864iq Exar Corporation, xr16c864iq Datasheet - Page 42

• Manufacturer Part Number: xr16c864iq
• Description: Quad Uart With Rx/tx Fifo Counters And 128-byte Fifo
• Manufacturer: Exar Corporation

XR16C864
2.97V TO 5.5V QUAD UART WITH 128-BYTE FIFO
AC ELECTRICAL CHARACTERISTICS
TA=0
F
F
S
IGURE
IGURE
TSSR
TWRI
TSRT
TRST
YMBOL
TINT
TWT
TRR
Bclk
TSI
N
O
I O W #
I O W
R T S #
D T R #
C D #
C T S #
D S R #
I N T
I O R #
R I#
EXTERNAL
TO
CLOCK
13. C
14. M
70
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
LOCK
ODEM
T
O
I
NPUT
IMING
TO
+85
/O
C h a n g e o f s t a t e
UTPUT
P
O
ARAMETER
C
A c tiv e
FOR INDUSTRIAL GRADE PACKAGE
CLK
T
IMING
OSC
F
OR
T
T
M O D
W D O
C
C h a n g e o f s t a t e
HANNELS
CLK
C h a n g e o f s t a t e
42
A-D
M
A c tiv e
A c tiv e
40
IN
1
8
L
IMITS
3.3
), V
16X of data rate
2
CC IS
M
16
45
24
45
45
45
1
8
AX
-1
T
R S I
2.97
M
IN
40
T
8
1
C h a n g e o f s t a t e
M O D
A c tiv e
TO
A c tiv e
L
IMITS
5.0
5.5V
2
16
40
24
40
40
40
M
1
8
-1
AX
U
Bclk
Bclk
Bclk
C h a n g e o f s t a t e
bps
ns
ns
ns
ns
ns
NIT
-
áç
áç
áç
áç
T
M O D
A c tiv e
A c tiv e
C
ONDITIONS
REV. 2.0.1