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参数资料
| 型号： | SC28L92A1B-S |
| 厂商： | NXP SEMICONDUCTORS |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 2 CHANNEL(S), 1M bps, SERIAL COMM CONTROLLER, PQFP44 |
| 封装： | 10 X 10 MM, 1.75 MM HEIGHT, PLASTIC, SOT-307-2, QFP-44 |
| 文件页数： | 53/73页 |
| 文件大小： | 336K |
| 代理商： | SC28L92A1B-S |
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SC28L92_7
NXP B.V. 2007. All rights reserved.
Product data sheet
Rev. 07 — 19 December 2007
57 of 73
NXP Semiconductors
SC28L92
3.3 V/5.0 V Dual Universal Asynchronous Receiver/Transmitter
[1]
The following conditions apply:
a) Parameters are valid over specied temperature and voltage range.
b) All voltage measurements are referenced to ground. For testing, all inputs swing between 0.4 V and 3.0 V with a transition time of
5 ns maximum. For X1/CLK this swing is between 0.4 V and 0.8VCC. All time measurements are referenced at input voltages of 0.8 V
and 2.0 V, and output voltages of 0.8 V and 2.0 V, as appropriate.
c) Test conditions for outputs: CL = 125 pF, except open-drain outputs. Test conditions for open-drain outputs: CL = 125 pF,
constant current source = 2.6 mA.
d) Typical values are the average values at +25
°C and 3.3 V.
[2]
Timing is illustrated and referenced to the WRN and RDN Inputs. Also, CEN may be the strobing input. CEN and RDN (also CEN and
WRN) are ORed internally. The signal asserted last initiates the cycle and the signal negated rst terminates the cycle.
[3]
Guaranteed by characterization of sample units.
[4]
If CEN is used as the strobing input, the parameter denes the minimum HIGH times between one CEN and the next. The RDN signal
must be negated for tRWD to guarantee that any status register changes are valid.
[5]
Minimum frequencies are not tested but are guaranteed by design.
[6]
Clocks for 1
× mode should maintain a 60/40 duty cycle or better.
Clock timing (see Figure 17)
tCLK
X1/CLK HIGH or LOW time
35
25
-
ns
fCLK
X1/CLK frequency
[5] 0.1
3.686
8
MHz
tCTC
C/T clock (IP2) HIGH or LOW time (C/T
external clock input)
30
15
-
ns
fCTC
C/T clock (IP2) frequency
[5] 0-
8MHz
tRX
RxC HIGH or LOW time
16
×
30
10
-
ns
fRX
RxC frequency
16
×
0
-
16
MHz
1
×
[5][6] 0-
1MHz
tTX
TxC HIGH or LOW time
16
×
30
15
-
ns
fTX
TxC frequency
16
×
--16
MHz
1
×
[5][6] 0-
1MHz
Transmitter timing, external clock (see Figure 18)
tTXD
TxD output delay from TxC LOW (TxC
input pin)
-
4078ns
tTCS
output delay from TxC output pin LOW to
TxD data output
-
8
30
ns
Receiver timing, external clock (see Figure 19)
tRXS
RxD data set-up time to RxC HIGH
50
10
-
ns
tRXH
RxD data hold time from RxC HIGH
50
10
-
ns
tDCR
DACKN LOW (read cycle) from X1 HIGH
[7] -
1857ns
tDCW
DACKN LOW (write cycle) from X1 HIGH
-
18
57
ns
tDAT
DACKN high-impedance from CEN or
IACKN HIGH
-
1015ns
tCSC
CEN or IACKN set-up time to X1 HIGH for
minimum DACKN cycle
30
10
-
ns
Table 68.
Dynamic characteristics, 3.3 V operation[1] …continued
VCC = 3.3 V ± 10 %, Tamb = 40 °C to +85 °C, unless otherwise specied.
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
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相关代理商/技术参数 |
参数描述 |
|---|---|
| SC28L92A1BS,528 | 功能描述:UART 接口集成电路 3V-5V 1CH UART RoHS:否 制造商:Texas Instruments 通道数量:2 数据速率:3 Mbps 电源电压-最大:3.6 V 电源电压-最小:2.7 V 电源电流:20 mA 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:LQFP-48 封装:Reel |
| SC28L92A1BS,551 | 功能描述:UART 接口集成电路 3V-5V 1CH UART RoHS:否 制造商:Texas Instruments 通道数量:2 数据速率:3 Mbps 电源电压-最大:3.6 V 电源电压-最小:2.7 V 电源电流:20 mA 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:LQFP-48 封装:Reel |
| SC28L92A1BS,557 | 功能描述:UART 接口集成电路 3V-5V 1CH UART RoHS:否 制造商:Texas Instruments 通道数量:2 数据速率:3 Mbps 电源电压-最大:3.6 V 电源电压-最小:2.7 V 电源电流:20 mA 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:LQFP-48 封装:Reel |
| SC28L92A1BS-F | 功能描述:UART 接口集成电路 3V-5V 1CH UART INTEL/MOT INTRF RoHS:否 制造商:Texas Instruments 通道数量:2 数据速率:3 Mbps 电源电压-最大:3.6 V 电源电压-最小:2.7 V 电源电流:20 mA 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:LQFP-48 封装:Reel |
| SC28L92A1BS-S | 功能描述:UART 接口集成电路 3V-5V 1CH UART INTEL/MOT INTRF RoHS:否 制造商:Texas Instruments 通道数量:2 数据速率:3 Mbps 电源电压-最大:3.6 V 电源电压-最小:2.7 V 电源电流:20 mA 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:LQFP-48 封装:Reel |
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