參數(shù)資料
型號: ST16C1551IQ48
廠商: EXAR CORP
元件分類: 微控制器/微處理器
英文描述: 2.97V TO 5.5V UART WITH 16-BYTE FIFO
中文描述: 1 CHANNEL(S), 1.5M bps, SERIAL COMM CONTROLLER, PQFP48
封裝: 7 X 7 MM, 1 MM HEIGHT, TQFP-48
文件頁數(shù): 26/37頁
文件大小: 428K
代理商: ST16C1551IQ48
ST16C1550/51
2.97V TO 5.5V UART WITH 16-BYTE FIFO
á
REV. 4.2.0
26
AC ELECTRICAL CHARACTERISTICS
TA=0
O
TO
70
O
C (-40
O
TO
+85
O
C
FOR
INDUSTRIAL
GRADE
PACKAGE
), V
CC
IS
2.97V
TO
5.5V
S
YMBOL
P
ARAMETER
L
IMITS
3.3V
M
IN
M
AX
L
IMITS
5.0V
M
IN
M
AX
U
NIT
C
ONDITIONS
CLK
Clock Pulse Duration
63
21
ns
OSC
Oscillator/External Clock Frequency
8
24
MHz
T
AS
Address Setup Time
5
0
ns
T
AH
Address Hold Time
10
5
ns
T
CS
Chip Select Width
50
40
ns
T
RD
IOR# Strobe Width
35
25
ns
T
DY
Read/Write Cycle Delay
40
30
ns
T
RDV
Data Access Time
35
25
ns
T
DD
Data Disable Time
0
25
0
15
ns
T
WR
IOW# Strobe Width
40
25
ns
T
DS
Data Setup Time
20
15
ns
T
DH
Data Hold Time
5
5
ns
T
WDO
Delay From IOW# To Output
50
40
ns
100 pF load
T
MOD
Delay To Set Interrupt From MODEM Input
40
35
ns
100 pF load
T
RSI
Delay To Reset Interrupt From IOR#
40
35
ns
100 pF load
T
SSI
Delay From Stop To Set Interrupt
1
1
Bclk
T
RRI
Delay From IOR# To Reset Interrupt
45
40
ns
100 pF load
T
SI
Delay From Stop To Interrupt
45
40
ns
T
INT
Delay From Initial INT Reset To Transmit Start
8
24
8
24
Bclk
T
SSR
Delay From Stop To Reset RXRDY
1
1
Bclk
T
RR
Delay From IOR# To Set RXRDY
45
40
ns
T
WT
Delay From IOW# To Reset TXRDY
45
40
ns
T
SRT
Delay From Center of Start To Set TXRDY
8
8
Bclk
T
RST
Reset Pulse Width
40
40
ns
N
Baud Rate Divisor
1
2
16
-1
1
2
16
-1
-
Bclk
Baud Clock
16X of data rate
Hz
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