參數(shù)資料
型號(hào): ST16654
廠商: Exar Corporation
英文描述: QUAD UART WITH 64-BYTE FIFO AND INFRARED (IrDA) ENCODER/DECODER
中文描述: 四UART的64字節(jié)FIFO和紅外線(IrDA)編碼/解碼器
文件頁數(shù): 34/49頁
文件大?。?/td> 444K
代理商: ST16654
ST16C654/654D
5-98
Rev. 4.10
T
1w,
T
2w
T
3w
T
6s
T
7d
T
7w
T
7h
T
9d
T
12d
T
12h
T
13d
T
13w
T
13h
T
15d
T
16s
T
16h
T
17d
T
18d
Clock pulse duration
Oscillator/Clock frequency
Address setup time
-IOR delay from chip select
-IOR strobe width
Chip select hold time from -IOR
Read cycle delay
Delay from -IOR to data
Data disable time
-IOW delay from chip select
-IOW strobe width
Chip select hold time from -IOW
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 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
Write strobe setup time
Write strobe hold time
Write cycle delay
20
20
ns
MHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
8
24
10
10
50
5
50
35
5
10
25
5
50
25
35
10
40
0
50
15
35
35
35
10
40
0
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
175
1
175
175
8
175
1
175
175
8
ns
Rclk
ns
ns
Rclk
ns
ns
ns
ns
ns
ns
ns
ns
ns
10
40
15
70
15
10
40
15
70
15
15
10
10
70
10
10
70
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.
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