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參數(shù)資料
| 型號(hào)： | ST16C450IJ44TR-F |
| 廠商： | Exar Corporation |
| 文件頁數(shù)： | 23/28頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC UART SINGLE 44PLCC |
| 標(biāo)準(zhǔn)包裝： | 500 |
| 特點(diǎn)： | * |
| 通道數(shù)： | 1，UART |
| FIFO's： | 1 字節(jié) |
| 電源電壓： | 2.97 V ~ 5.5 V |
| 帶故障啟動(dòng)位檢測功能： | 是 |
| 帶調(diào)制解調(diào)器控制功能： | 是 |
| 帶CMOS： | 是 |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 44-LCC（J 形引線） |
| 供應(yīng)商設(shè)備封裝： | 44-PLCC（16.59x16.59） |
| 包裝： | 帶卷 (TR) |
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ST16C450
4
Rev. 4.20
Symbol
Pin
Signal
Pin Description
40
44
48
type
A0
28
31
28
I
Address-0 Select Bit Internal registers address selection.
A1
27
30
27
I
Address-1 Select Bit Internal registers address selection.
A2
26
29
26
I
Address-2 Select Bit Internal registers address selection.
IOR
22
25
20
I
Read data strobe. Its function is the same as -IOR (see -
IOR), except it is active high. Either an active -IOR or IOR
is required to transfer data from 16C450 to CPU during a
read operation.
CS0
12
14
9
I
Chip Select-0. Logical 1 on this pin provides the chip select-
0 function.
CS1
13
15
10
I
Chip Select-1. Logical 1 on this pin provides the chip select-
1 function.
-CS2
14
16
11
I
Chip Select -2. Logical 0 on this pin provides the chip select-
2 function.
IOW
19
21
17
I
Write data strobe. Its function is the same as -IOW (see -
IOW), but it acts as an active high input signal. Either -IOW
or IOW is required to transfer data from the CPU to
ST16C450 during a write operation.
-AS
25
28
24
I
Address Strobe. A logic 0 transition on -AS latches the state
of the chip selects and the register select bits, A0-A2. This
input is used when address and chip selects are not stable
for the duration of a read or write operation, i.e., a micropro-
cessor that needs to de-multiplex the address and data bits.
If not required, the -AS input can be permanently tied to a
logic 0 (it is edge triggered).
D0-D7
1-8
2-9
43-47
2-4
I/O
Data Bus (Bi-directional) - These pins are the eight bit, tri-
state data bus for transferring information to or from the
controlling CPU. D0 is the least significant bit and the first
data bit in a transmit or receive serial data stream.
GND
20
22
18
Pwr
Signal and Power Ground.
SYMBOL DESCRIPTION
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ST16C450IP40 | 功能描述:UART 接口集成電路 SINGLE UART 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 |
| ST16C450IP40-F | 功能描述:UART 接口集成電路 SINGLE UART 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 |
| ST16C450IQ48 | 制造商:Rochester Electronics LLC 功能描述: 制造商:Exar Corporation 功能描述: |
| ST16C450IQ48-F | 功能描述:UART 接口集成電路 SINGLE UART 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 |
| ST16C450IQ48TR-F | 制造商:Exar Corporation 功能描述:UART 1-CH 1Byte FIFO 3.3V/5V 48-Pin TQFP T/R 制造商:Exar Corporation 功能描述:ST16C450 Series 1.5 Mbps 5.5 V Universal Asynchronous UART - TQFP-48 制造商:Exar Corporation 功能描述:ST16C450IQ48TR-F |
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