參數(shù)資料
型號(hào): ST16C450IP40
廠商: EXAR CORP
元件分類(lèi): 微控制器/微處理器
英文描述: UNIVERSAL ASYNCHRONOUS RECEIVER/TRANSMITTER (UART)
中文描述: 1 CHANNEL(S), 1.5M bps, SERIAL COMM CONTROLLER, PDIP40
封裝: DIP-40
文件頁(yè)數(shù): 18/28頁(yè)
文件大小: 182K
代理商: ST16C450IP40
ST16C450
18
Rev. 4.20
T
1w
,T
2w
T
3w
T
4w
T
5s
T
5h
T
6s
T
6h
T
7d
T
7w
T
7h
T
8d
T
9d
T
10d
T
11d
T
12d
T
12h
T
13d
T
13w
T
13h
T
14d
T
15d
T
16s
T
16h
T
17d
T
18d
Clock pulse duration
Oscillator/Clock frequency
Address strobe width
Address setup time
Address hold time
Address setup time
Chip select hold time
-IOR delay from chip select
-IOR strobe width
Chip select hold time from -IOR
-IOR delay from address
Read cycle delay
CSOUT delay from chip select
-IOR to -DDIS delay
Delay from -IOR to data
Data disable time
-IOW delay from chip select
-IOW strobe width
Chip select hold time from -IOW
-IOW delay from address
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
Reset pulse width
Baud rate devisor
17
17
ns
MHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
8
24
35
5
5
5
0
10
35
0
10
40
25
0
5
0
0
10
25
0
10
30
Note 1:
Note 1:
Note 1:
15
15
35
25
10
10
25
15
100 pF load
100 pF load
10
40
0
10
40
20
5
10
25
0
10
30
15
5
Note 1:
Note 1:
50
40
40
35
100 pF load
100 pF load
T
19d
T
20d
T
21d
T
22d
T
23d
40
1
45
45
24
35
1
40
40
24
ns
Rclk
ns
ns
Rclk
100 pF load
100 pF load
8
8
T
24d
T
R
N
45
40
ns
ns
Rclk
40
1
40
1
2
16
-1
2
16
-1
Note 1: Applicable only when -AS is tied low.
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.
Symbol
Parameter
Limits
3.3
Min
Limits
5.0
Min
Units
Conditions
Max
Max
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