xr16m2750 Exar Corporation, xr16m2750 Datasheet - Page 42

• Manufacturer Part Number: xr16m2750
• Description: High Performance Duart With 64-byte Fifo
• Manufacturer: Exar Corporation

XR16M2750
1.62V TO 3.63V HIGH PERFORMANCE DUART WITH 64-BYTE FIFO
Floating inputs will result in sleep currents in the mA range. For PowerSave feature that isolates address, data
and control signals, please see the XR16M2751 datasheet.
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
T
T
T
T
T
T
T
ECLK
WDO
MOD
T
RDV
SSR
WRI
WR
RSI
RRI
AH
SSI
INT
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 Inter-
rupt
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#
P
ARAMETER
: TA=-40
O
TO
+85
O
C, V
M
15
65
65
65
65
65
20
0
0
3
0
0
0
8
1.8V ± 10%
IN
CC
L
IMITS
=1.62 - 3.63V, 70
42
M
24
32
60
25
60
25
45
24
45
45
1
AX
M
10
50
50
50
50
50
10
0
0
3
8
2.5V ± 10%
IN
L
P
IMITS
F
LOAD WHERE APPLICABLE
M
24
50
45
25
50
50
50
45
45
24
45
45
1
1
AX
M
40
40
40
40
40
10
3.3V ± 10%
7
0
0
3
8
IN
L
IMITS
M
24
64
35
25
50
50
50
45
45
24
45
45
1
1
AX
REV. 1.0.0
MHz
MHz
U
Bclk
Bclk
Bclk
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
NIT