xr16m2752 Exar Corporation, xr16m2752 Datasheet - Page 41

• Manufacturer Part Number: xr16m2752
• Description: High Performance Duart With 64-byte Fifo
• Manufacturer: Exar Corporation

REV. 1.0.0
AC ELECTRICAL CHARACTERISTICS
U
NLESS OTHERWISE NOTED
S
XTAL1
T
ECLK
T
T
YMBOL
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
ECLK
WDO
MOD
T
RDV
SSR
SRT
WRI
WR
RSI
RRI
SSI
INT
WT
AS
AH
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 Inter-
rupt
Delay From Stop To Interrupt
Delay From Initial INT Reset To
Transmit Start
Delay From IOW# To Reset Inter-
rupt
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#
P
ARAMETER
: TA=-40
O
TO
1.62V TO 3.63V HIGH PERFORMANCE DUART WITH 64-BYTE FIFO
+85
O
C, V
M
10
50
50
50
50
50
10
1.8V ± 10%
0
0
3
8
CC
IN
L
=1.62 - 3.63V, 70
IMITS
41
M
24
32
45
25
50
50
50
45
45
24
45
45
45
1
1
8
AX
M
10
50
50
50
50
50
10
2.5V ± 10%
0
0
3
8
IN
P
L
F
IMITS
LOAD WHERE APPLICABLE
M
24
50
45
25
50
50
50
45
45
24
45
45
45
1
1
8
AX
M
40
40
40
40
40
10
3.3V ± 10%
7
0
0
3
8
IN
L
IMITS
XR16M2752
M
24
64
35
25
50
50
50
45
45
24
45
45
45
1
1
8
AX
U
MHz
MHz
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