參數(shù)資料
型號: XR16C864
廠商: Exar Corporation
元件分類: 通用總線功能
英文描述: Quad UART with RX/TX FIFO Counters and 128-byte FIFO(四通用異步接收器/發(fā)送器(帶RX/TX 先進先出計數(shù)器和128字節(jié)先進先出))
中文描述: 四路與異步接收/發(fā)送FIFO的計數(shù)器和128字節(jié)的FIFO(四通用異步接收器/發(fā)送器(帶了Rx / Tx先進先出計數(shù)器和128字節(jié)先進先出))
文件頁數(shù): 34/46頁
文件大?。?/td> 381K
代理商: XR16C864
XR16C864
34
Rev. 1.10
Symbol
Parameter
Limits
3.3
Min
Limits
5.0
Min
Units
Conditions
Max
Max
AC ELECTRICAL CHARACTERISTICS
T
A
=0° - 70°C (-40° - +85°C for Industrial grade packages), Vcc=3.3 - 5.0 V ± 10% unless otherwise specified.
T
1w,
T
2w
T
3w
T
6s
T
7w
T
7h
T
9d
T
12d
T
12h
T
13w
T
15d
T
16s
T
16h
T
17d
T
18d
Clock pulse duration
Oscillator/Clock frequency
Address setup time
-IOR strobe width
Address hold time
Read cycle delay
Delay from -IOR to data
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 start 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 start to reset -TxRdy
Address setup time
Chip select strobe width
Address hold time
Read cycle delay
Delay from -CS to data
Data disable time
R/-W strobe setup time
R/-W strobe hold time
Write cycle delay
Data setup time
Data hold time
Reset pulse width
Baud rate devisor
20
20
ns
MHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
8
24
10
50
5
50
35
5
25
5
50
25
35
40
50
15
35
35
35
40
50
20
50
50
50
50
35
100 pF load
100 pF load
T
19d
T
20d
T
21d
T
22d
T
23d
50
1
Rclk
200
100
24
35
1
Rclk
200
100
24
ns
Rclk
ns
ns
Rclk
100 pF load
100 pF load
8
8
T
24d
T
25d
T
26d
T
27d
T
28d
T
30s
T
30w
T
30h
T
30d
T
31d
T
31h
T
32s
T
32h
T
32d
T
33s
T
33h
T
R
N
175
1
175
175
8
175
1
175
175
8
ns
Rclk
ns
ns
Rclk
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Rclk
10
40
15
70
15
10
40
15
70
15
15
10
10
70
15
10
40
1
10
10
70
20
10
40
1
2
16
-1
2
16
-1
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