參數(shù)資料
型號(hào): XR16L2750
廠商: Exar Corporation
英文描述: 2.25V TO 5.5V DUART WITH 64-BYTE FIFO
中文描述: 2.25V至5.5V的杜阿爾特64字節(jié)FIFO
文件頁(yè)數(shù): 38/49頁(yè)
文件大?。?/td> 602K
代理商: XR16L2750
á
XR16L2750
2.25V TO 5.5V DUART WITH 64-BYTE FIFO
REV. 1.0.0
38
AC ELECTRICAL CHARACTERISTICS
TA=0
O
TO
70
O
C (-40
O
TO
+85
O
C
FOR
INDUSTRIAL
GRADE
PACKAGE
), V
CC
IS
2.25
TO
5.5V
S
YMBOL
P
ARAMETER
L
IMITS
2.5
M
IN
M
AX
L
IMITS
3.3
M
IN
M
AX
L
IMITS
5.0
M
IN
M
AX
U
NIT
C
ONDITIONS
CLK
Clock Pulse Duration
50
50
17
ns
OSC
Oscillator Frequency
16
20
24
MHz
OSC
External Clock Frequency
24
33
50
MHz
T
AS
Address Setup Time
15
10
5
ns
T
AH
Address Hold Time
15
10
5
ns
T
CS
Chip Select Width
66
66
50
ns
T
RD
IOR# Strobe Width
50
35
25
ns
T
DY
Read Cycle Delay
50
40
30
ns
T
RDV
Data Access Time
50
50
35
ns
T
DD
Data Disable Time
0
35
0
35
0
35
ns
T
WR
IOW# Strobe Width
40
40
25
ns
T
DY
Write Cycle Delay
50
40
30
ns
T
DS
Data Setup Time
15
10
5
ns
T
DH
Data Hold Time
15
10
5
ns
T
WDO
Delay From IOW# To Output
50
50
40
ns
100 pF load
T
MOD
Delay To Set Interrupt From
MODEM Input
50
40
35
ns
100 pF load
T
RSI
Delay To Reset Interrupt
From IOR#
50
40
35
ns
100 pF load
T
SSI
Delay From Stop To Set Inter-
rupt
1
1
1
Bclk
T
RRI
Delay From IOR# To Reset
Interrupt
50
45
40
ns
100 pF load
T
SI
Delay From Stop To Interrupt
50
45
40
ns
T
INT
Delay From Initial INT Reset
To Transmit Start
8
24
8
24
8
24
Bclk
T
WRI
Delay From IOW# To Reset
Interrupt
50
45
40
ns
T
SSR
Delay From Stop To Set
RXRDY#
1
1
1
Bclk
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