xr16l2750im Exar Corporation, xr16l2750im Datasheet - Page 38

• Manufacturer Part Number: xr16l2750im
• Description: High-performance 2.25v - 5.5v Duart
• Manufacturer: Exar Corporation

XR16L2750
2.25V TO 5.5V DUART WITH 64-BYTE FIFO
AC ELECTRICAL CHARACTERISTICS
U
70
S
NLESS OTHERWISE NOTED
T
T
YMBOL
T
T
T
OSC
T
CLK
T
T
T
P
T
T
T
T
T
T
T
T
T
T
T
T
T
WDO
T
MOD
RDV
SSR
WRI
SRT
F
WR
RSI
RRI
SSI
INT
WT
AS
AH
CS
RD
DY
DD
DY
DS
DH
RR
-
SI
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 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#
: TA=0
P
ARAMETER
O
TO
70
O
C (-40
O
TO
+85
38
M
150
150
150
150
150
O
20
10
10
25
15
IN
0
8
C
L
FOR INDUSTRIAL GRADE PACKAGE
IMITS
2.5
135
150
150
150
150
150
150
150
150
M
16
24
45
24
1
1
8
AX
M
15
10
10
75
75
75
75
75
20
10
IN
0
8
L
IMITS
3.3
M
20
33
70
30
75
75
75
75
75
24
75
75
75
1
1
8
AX
M
IN
10
10
10
50
50
50
50
50
15
10
0
8
L
), V
IMITS
5.0
xr
CC
24
50
45
30
50
50
50
50
50
24
50
50
50
M
1
1
8
=2.25 - 5.5V,
AX
REV. 1.2.1
MHz
MHz
U
Bclk
Bclk
Bclk
Bclk
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
NIT