參數(shù)資料
型號： TL16C554AI
廠商： Texas Instruments, Inc.
英文描述： ASYNCHRONOUS-COMMUNICATIONS ELEMENT
中文描述： 異步通信元
文件頁數(shù)： 6/40頁
文件大?。?/td> 605K
代理商： TL16C554AI
TL16C554A, TL16C554AI
ASYNCHRONOUS-COMMUNICATIONS ELEMENT
SLLS509A
–
AUGUST 2001
–
REVISED JULY 2003
6
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
Terminal Functions (Continued)
TERMINAL
NAME
FN
NO.
PN
NO.
I/O
DESCRIPTION
RXA, RXB
RXC, RXD
7, 29,
41, 63
17, 44,
57, 4
I
Serial input. RXx is a serial-data input from a connected communications device. During loopback
mode, the RXx input is disabled from external connection and connected to the TXx output internally.
RXRDY
38
54
O
Receive ready. RXRDY goes low when the receive FIFO is full. It can be used as a single transfer
or multitransfer.
TXA, TXB
TXC, TXD
17, 19,
51, 53
29, 32,
69, 72
O
Transmit outputs. TXx is a composite serial-data output connected to a communications device.
TXA, TXB, TXC, and TXD are set to the marking (high) state as a result of reset.
TXRDY
39
55
O
Transmit ready. TXRDY goes low when the transmit FIFO is full. It can be used as a single transfer
or multitransfer function.
VCC
13, 30,
47, 64
5, 25,
45, 65
Power supply
XTAL1
35
50
I
Crystal input 1 or external clock input. A crystal can be connected to XTAL1 and XTAL2 to utilize the
internal oscillator circuit. An external clock can be connected to drive the internal-clock circuits.
XTAL2
36
51
O
Crystal output 2 or buffered clock output (see XTAL1).
absolute maximum ratings over free-air temperature range (unless otherwise noted)
Supply voltage range, V
CC
(see Note 1)
Input voltage range at any input, V
I
Output voltage range, V
O
Continuous total-power dissipation at (or below) 70
°
C
Operating free-air temperature range, T
A
: TL16C554A
–
0.5 V to 7 V
–
0.5 V to 7 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
TL16C554AI
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Storage temperature range, T
stg
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Stresses beyond those listed under
“
absolute maximum ratings
”
may cause permanent damage to the device. These are stress ratings only, and
functional operation of the device at these or any other conditions beyond those indicated under
“
recommended operating conditions
”
is not
implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
NOTE 1: All voltage levels are with respect to GND.
–
0.5 V to V
CC
+ 3 V
500 mW
0
°
C to 70
°
C
–
40
°
C to 85
°
C
–
65
°
C to 150
°
C
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TL16C554AIFNR 功能描述:UART 接口集成電路 Quad UART w/ 16-Byte FIFOs RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 數(shù)據(jù)速率:3 Mbps 電源電壓-最大:3.6 V 電源電壓-最小:2.7 V 電源電流:20 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:LQFP-48 封裝:Reel
TL16C554AIPN 功能描述:UART 接口集成電路 Quad UART with 16-Byte FIFOs RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 數(shù)據(jù)速率:3 Mbps 電源電壓-最大:3.6 V 電源電壓-最小:2.7 V 電源電流:20 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:LQFP-48 封裝:Reel
TL16C554AIPNG4 功能描述:UART 接口集成電路 Quad UART with 16-Byte FIFOs RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 數(shù)據(jù)速率:3 Mbps 電源電壓-最大:3.6 V 電源電壓-最小:2.7 V 電源電流:20 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:LQFP-48 封裝:Reel
TL16C554AIPNR 功能描述:UART 接口集成電路 Quad UART with 16-Byte FIFOs RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 數(shù)據(jù)速率:3 Mbps 電源電壓-最大:3.6 V 電源電壓-最小:2.7 V 電源電流:20 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:LQFP-48 封裝:Reel
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