參數(shù)資料
型號: SC28L194
廠商: NXP Semiconductors N.V.
英文描述: Quad UART for 3.3V and 5V supply voltage(在3.3V和5V電源電壓中應(yīng)用的四 UART)
中文描述: 四UART的3.3V和5V電源電壓(在3.3和5V的電源電壓中應(yīng)用的四UART)的
文件頁數(shù): 41/52頁
文件大?。?/td> 294K
代理商: SC28L194
Philips Semiconductors
Preliminary specification
SC28L194
Quad UART for 3.3V and 5V supply voltage
1998 Sep 21
41
AC ELECTRICAL SPECIFICATIONS FOR COMMERCIAL AND INDUSTRIAL (5V)
V
CC
= 5.0V
±
10%, –40 to +85
°
C
SYMBOL
FIG #
FIG. #
PARAMETER
LIMITS
TYP.
UNIT
MIN.
MAX.
Reset Timing
t
RES1
Bus Timing
RESET pulse width
10
Sclk
t
AS
t
AH
A0–A7 setup time before Sclk C3 rising edge
10
2
ns
A0–A7 hold time after Sclk C3 rising edge
18
8
ns
t
CS
CEN setup time before Sclk C1 high (Sync)
5
3
ns
CEN setup time before Sclk C2 high (Async)
5
3
ns
t
CH
CEN hold time after Sclk C3 high (Sync)
14
1
1
/
2
Sclk
1
1
/
2
Sclk
ns
CEN hold time after Sclk C4 high (Async)
CEN high before next C2 to stop next cycle (Sync Mode)
2
25
ns
t
STP
t
RWS
t
RWH
t
DD
18
ns
W–Rn setup time before Sclk C2 rising edge
5
ns
W–Rn hold time after Sclk C3 rising edge
14
1
1
/
2
Sclk
12
ns
Read cycle Data valid after Sclk C3 falling edge
25
ns
t
DF
Read cycle data bus floating after CEN high (Sync)
10
15
ns
Read cycle data bus floating after C4 end high (Async)
10
15
ns
t
DS
t
DH
t
RWD
I/O Port Pin Timing
Write cycle data setup time before Sclk C4 rising edge
25
14
ns
Write cycle data hold time after Sclk C4 rising edge
15
8
ns
High time between CEN low (Async)
12
1
/
2
Sclk
ns
t
PS
t
PH
I/O input setup time before Sclk C3 falling edge
18
4
ns
I/O input hold time after Sclk C4 rising edge
12
1
ns
t
PD
I/O output valid from:
Write Sclk C4 rising edge (write to IOPIOR)
32
50
ns
Interrupt Timing
IRQN from:
Internal interrupt source active bid
Reset to IRQN inactive
Write IMR (set or clear IMR bit)
3
IACKN cycle Data valid after Sclk C3 rising edge
t
IR
22
26
43
75
45
25
Sclk
ns
ns
ns
t
DD
12
Tx/Rx Clock Timing
t
RX
RxC high or low time
15
8
ns
F
RX4
RxC frequency
(16 X)
0
16
MHz
(1 X)
0
1
MHz
t
TX
TxC high or low time
15
7
ns
F
TX4
TxC frequency
(16 X)
0
16
MHz
(1 X)
0
1
MHz
Transmitter Timing
t
TXD
t
TCS
Receiver Timing
TxD output delay from TxC low
32
60
ns
TxC output delay from TxD output data
–15
4
15
ns
t
RXS
t
RXH
ts
STRT
RxD data setup time to RxC high (data)
20
–4
ns
RxD data hold time from RxC high (data)
20
6
ns
RxD data low time for receiving a valid Start Bit
17/32
bit time
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SC28L194A1A,512 功能描述:UART 接口集成電路 3V-5V 4CH 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
SC28L194A1A,518 功能描述:UART 接口集成電路 3V-5V 4CH 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
SC28L194A1A,529 功能描述:UART 接口集成電路 3V-5V 4CH 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
SC28L194A1A-S 功能描述:UART 接口集成電路 3V-5V 4CH UART INTEL/MOT INTRF 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