A
參數(shù)資料
型號: ST16C454CJ68TR-F
廠商: Exar Corporation
文件頁數(shù): 13/29頁
文件大小: 0K
描述: IC UART QUAD 68PLCC
標(biāo)準(zhǔn)包裝: 250
特點(diǎn): *
通道數(shù): 4,QUART
FIFO's: 1 字節(jié)
電源電壓: 2.97 V ~ 5.5 V
帶故障啟動位檢測功能:
帶調(diào)制解調(diào)器控制功能:
帶CMOS:
安裝類型: 表面貼裝
封裝/外殼: 68-LCC(J 形引線)
供應(yīng)商設(shè)備封裝: 68-PLCC
包裝: 帶卷 (TR)
ST16C454
20
Rev. 3.31
Symbol
Parameter
Limits
Units
Conditions
3.3
5.0
Min
Max
Min
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.
T1w,T2w
Clock pulse duration
17
ns
T3w
Oscillator/Clock frequency
8
24
MHz
T6s
Address setup time
5
0
ns
T7d
-IOR delay from chip select
10
ns
T7w
-IOR strobe width
35
25
ns
T7h
Chip select hold time from -IOR
0
ns
T9d
Read cycle delay
40
30
ns
T12d
Delay from -IOR to data
35
25
ns
T12h
Data disable time
25
35
15
ns
T13d
-IOW delay from chip select
10
ns
T13w
-IOW strobe width
35
25
ns
T13h
Chip select hold time from -IOW
0
ns
T15d
Write cycle delay
40
30
ns
T16s
Data setup time
20
15
ns
T16h
Data hold time
5
ns
T17d
Delay from -IOW to output
50
40
ns
100 pF load
T18d
Delay to set interrupt from MODEM
40
35
ns
100 pF load
input
T19d
Delay to reset interrupt from -IOR
40
35
ns
100 pF load
T20d
Delay from stop to set interrupt
1
Rclk
T21d
Delay from -IOR to reset interrupt
45
40
ns
100 pF load
T22d
Delay from stop to interrupt
45
40
ns
T23d
Delay from initial INT reset to transmit
8
24
8
24
Rclk
start
T24d
Delay from -IOW to reset interrupt
45
40
ns
T25d
Delay from stop to set -RxRdy
1
Rclk
T26d
Delay from -IOR to reset -RxRdy
45
40
ns
T27d
Delay from -IOW to set -TxRdy
45
40
ns
T28d
Delay from start to reset -TxRdy
8
Rclk
T30s
Address setup time
10
ns
T30w
Chip select strobe width
40
ns
T30h
Address hold time
15
ns
T30d
Read cycle delay
70
ns
T31d
Delay from -CS to data
15
ns
T31h
Data disable time
15
ns
T32s
Write strobe setup time
10
ns
T32h
Write strobe hold time
10
ns
T32d
Write cycle delay
70
ns
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