xr16l2751im Exar Corporation, xr16l2751im Datasheet - Page 42

• Manufacturer Part Number: xr16l2751im
• Description: 2.25v To 5.5v Duart With 64-byte Fifo And Powersave
• Manufacturer: Exar Corporation

XR16L2751
2.25V TO 5.5V DUART WITH 64-BYTE FIFO AND POWERSAVE
AC ELECTRICAL CHARACTERISTICS
U
70
F
S
IGURE
NLESS OTHERWISE NOTED
T
T
YMBOL
T
T
T
T
T
T
P
T
T
T
Bclk
T
EXTERNAL
WDO
T
MOD
SSR
RST
WRI
SRT
F
RSI
RRI
N
SSI
INT
WT
RR
SI
CLOCK
LOAD WHERE APPLICABLE
14. C
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
LOCK
T
IMING
: TA=0
P
ARAMETER
O
CLK
TO
70
O
C (-40
OSC
O
TO
CLK
+85
42
O
M
C
40
IN
8
1
FOR INDUSTRIAL GRADE PACKAGE
L
IMITS
2.5
2
150
150
150
150
150
150
150
150
M
16
24
1
1
8
AX
-1
16X or 8X of data rate
M
40
IN
8
1
L
IMITS
3.3
2
M
16
75
75
75
75
75
24
75
75
75
1
1
8
AX
-1
M
IN
40
8
1
), V
xr
L
IMITS
5.0
CC
=2.25 - 5.5V,
2
16
50
50
50
50
50
24
50
50
50
M
1
1
8
REV. 1.2.2
-1
AX
U
Bclk
Bclk
Bclk
Bclk
Hz
ns
ns
ns
ns
ns
ns
ns
ns
ns
NIT
-