参数资料
型号: ST16C452CJ68TR-F
厂商: Exar Corporation
文件页数: 15/30页
文件大小: 0K
描述: IC UART W/PAR PORT DUAL 68PLCC
标准包装: 250
特点: *
通道数: 2,DUART
FIFO's: 1 字节
规程: 打印机
电源电压: 2.97 V ~ 5.5 V
带并行端口:
带故障启动位检测功能:
带调制解调器控制功能:
带CMOS:
安装类型: 表面贴装
封装/外壳: 68-LCC(J 形引线)
供应商设备封装: 68-PLCC
包装: 带卷 (TR)
22
ST16C452/452PS
Rev. 3.20
Symbol
Parameter
Limits
Units
Conditions
3.3
5.0
Min
Max
Min
Max
T
1w,T2w
Clock pulse duration
17
ns
T
3w
Oscillator/Clock frequency
8
24
MHz
T
6s
Address setup time
5
0
ns
T
7d
-IOR delay from chip select
10
ns
T
7w
-IOR strobe width
35
25
ns
T
7h
Chip select hold time from -IOR
0
ns
T
9d
Read cycle delay
40
30
ns
T
12d
Delay from -IOR to data
35
25
ns
T
12h
Data disable time
25
15
ns
T
13d
-IOW delay from chip select
10
ns
T
13w
-IOW strobe width
40
25
ns
T
13h
Chip select hold time from -IOW
0
ns
T
15d
Write cycle delay
40
30
ns
T
16s
Data setup time
20
15
ns
T
16h
Data hold time
5
ns
T
17d
Delay from -IOW to output
50
40
ns
100 pF load
T
18d
Delay to set interrupt from MODEM
40
35
ns
100 pF load
input
T
19d
Delay to reset interrupt from -IOR
40
35
ns
100 pF load
T
20d
Delay from stop to set interrupt
1
Rclk
T
21d
Delay from -IOR to reset interrupt
45
40
ns
100 pF load
T
22d
Delay from stop to interrupt
45
40
ns
T
23d
Delay from initial INT reset to transmit
8
24
8
24
Rclk
start
T
24d
Delay from -IOW to reset interrupt
45
40
ns
T
39w
-ACK pulse width
75
ns
T
40s
PD7 - PD0 setup time
15
10
ns
T
41h
PD7 - PD0 hold time
30
25
ns
T
42d
Delay from -ACK low to interrupt low
10
5
ns
T
43d
Delay from -IOR to reset interrupt
10
5
ns
T
R
Reset pulse width
40
ns
N
Baud rate devisor
1
216-1
1
216-1
Rclk
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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