參數(shù)資料
型號： TL16C550CI
廠商： Texas Instruments, Inc.
英文描述： Asynchronous Communications Element With Autoflow Control(帶自動數(shù)據流控制異步通信器件)
中文描述： 異步通信元件與Autoflow技術控制（帶自動數(shù)據流控制異步通信器件）
文件頁數(shù)： 10/39頁
文件大小： 556K
代理商： TL16C550CI
TL16C550C, TL16C550CI
ASYNCHRONOUS COMMUNICATIONS ELEMENT
WITH AUTOFLOW CONTROL
SLLS177F
–
MARCH 1994
–
REVISED MARCH 2001
10
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
system timing requirements over recommended ranges of supply voltage and operating free-air
temperature
ALT. SYMBOL
FIGURE
TEST CONDITIONS
MIN
MAX
UNIT
tcR
tcW
tw1
tw2
tw5
tw6
tw7
tw8
tsu1
tsu2
tsu3
tsu4
th1
th2
th3
th4
th5
th6
th7
td4
td5
td6
td7
td8
td9
td10
td11
Only applies when ADS is low
Cycle time, read (tw7 + td8 + td9)
Cycle time, write (tw6 + td5 + td6)
Pulse duration, clock high
RC
87
ns
WC
87
ns
tXH
tXL
tADS
tWR
tRD
tMR
tAS
tCS
tDS
5
f = 16 MHz Max,
f 16 MHz Max,
VCC = 5 V
25
ns
Pulse duration, clock low
Pulse duration, ADS low
6, 7
9
ns
Pulse duration, WR
6
40
ns
Pulse duration, RD
7
40
ns
μ
s
Pulse duration, MR
Setup time, address valid before ADS
↑
Setup time, CS valid before ADS
↑
Setup time, data valid before WR1
↑
or WR2
↓
Setup time, CTS
↑
before midpoint of stop bit
Hold time, address low after ADS
↑
Hold time, CS valid after ADS
↑
Hold time, CS valid after WR1
↑
or WR2
↓
Hold time, address valid after WR1
↑
or WR2
↓
Hold time, data valid after WR1
↑
or WR2
↓
Hold time, chip select valid after RD1
↑
or RD2
↓
Hold time, address valid after RD1
↑
or RD2
↓
Delay time, CS valid before WR1
↓
or WR2
↑
Delay time, address valid before WR1
↓
or WR2
↑
Delay time, write cycle, WR1
↑
or WR2
↓
to ADS
↓
Delay time, CS valid to RD1
↓
or RD2
↑
Delay time, address valid to RD1
↓
or RD2
↑
Delay time, read cycle, RD1
↑
or RD2
↓
to ADS
↓
Delay time, RD1
↓
or RD2
↑
to data valid
Delay time, RD1
↑
or RD2
↓
to floating data
1
6 7
6, 7
8
ns
6
15
ns
17
10
ns
tAH
tCH
tWCS
tWA
tDH
tRCS
tRA
tCSW
tAW
tWC
tCSR
tAR
tRC
6 7
6, 7
0
ns
6
10
ns
6
5
ns
7
10
ns
7
20
ns
6
7
ns
6
40
ns
7
7
ns
7
40
ns
tRVD
tHZ
7
CL = 75 pF
CL = 75 pF
45
ns
7
20
ns
system switching characteristics over recommended ranges of supply voltage and operating
free-air temperature (see Note 7)
PARAMETER
ALT. SYMBOL
FIGURE
TEST CONDITIONS
MIN
MAX
UNIT
tdis(R)
NOTE 7: Charge and discharge times are determined by VOL, VOH, and external loading.
Disable time, RD1
↓↑
or RD2
↑↓
to DDIS
↑↓
tRDD
7
CL = 75 pF
20
ns
baud generator switching characteristics over recommended ranges of supply voltage and
operating free-air temperature, C
L
= 75 pF
PARAMETER
ALT. SYMBOL
tLW
tHW
tBLD
tBHD
FIGURE
5
TEST CONDITIONS
MIN
MAX
UNIT
tw3
tw4
td1
td2
Pulse duration, BAUDOUT low
f = 16 MHz, CLK
f 16 MHz, CLK 2,
VCC = 5 V
50
ns
Pulse duration, BAUDOUT high
Delay time, XIN
↑
to BAUDOUT
↑
Delay time, XIN
↑↓
to BAUDOUT
↓
5
5
45
ns
5
45
ns
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TL16C550CIN 制造商:TI 制造商全稱:Texas Instruments 功能描述:ASYNCHRONOUS COMMUNICATIONS ELEMENT WITH AUTOFLOW CONTROL
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