sc16c751b NXP Semiconductors, sc16c751b Datasheet - Page 22

• Manufacturer Part Number: sc16c751b
• Description: 5 V, 3.3 V And 2.5 V Uart With 64-byte Fifos
• Manufacturer: NXP Semiconductors

NXP Semiconductors
[1]
[2]
10. Dynamic characteristics
Table 24.
T
SC16C751B_2
Product data sheet
Symbol
t
t
f
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
N
w2
w1
XTAL1
6s’
7d
7w
7h
7h’
9d
12d
12h
13d
13w
13h
14d
15d
16s
16h
17d
18d
19d
20d
21d
22d
23d
24d
RESET
amb
Except for XTAL2, V
Sleep current might be higher if there is activity on the UART data bus during Sleep mode.
= 40 C to +85 C; tolerance of V
Dynamic characteristics
Parameter
pulse width LOW
pulse width HIGH
frequency on pin XTAL1
address set-up time
IOR delay from chip select
IOR strobe width
chip select hold time from
IOR
address hold time
read cycle delay
delay from IOR to data
data disable time
IOW delay from chip select
IOW strobe width
chip select hold time from
IOW
IOW delay from address
write cycle delay
data set-up time
data hold time
delay from IOW to output
delay to set interrupt from
modem input
delay to reset interrupt from
IOR
delay from stop to set
interrupt
delay time IOR to reset
interrupt
delay from start to set
interrupt
delay time from IOW to
transmit start
delay from IOW to reset
interrupt
RESET pulse width
baud rate divisor
OL
= 1 V typically.
DD
=
Conditions
25 pF load
25 pF load
25 pF load
25 pF load
25 pF load
25 pF load
25 pF load;
Figure 7
25 pF load;
Figure 9
10 %, unless otherwise specified.
Rev. 02 — 10 October 2008
[1]
[2]
[2]
[3]
8T
Min
100
10
10
10
10
77
20
10
20
10
25
20
15
RCLK
V
0
5
0
1
-
-
-
-
-
-
-
-
-
-
DD
= 2.5 V
24T
1T
2
5 V, 3.3 V and 2.5 V UART with 64-byte FIFOs
Max
16
100
100
100
100
100
100
48
77
15
RCLK
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
RCLK
1
8T
Min
10
10
26
20
10
20
10
25
20
40
RCLK
V
6
6
0
5
0
5
1
-
-
-
-
-
-
-
-
-
-
DD
= 3.3 V
24T
1T
2
Max
16
80
26
15
33
24
24
29
45
45
RCLK
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
RCLK
-
1
SC16C751B
8T
Min
10
23
20
10
15
10
20
15
40
RCLK
V
6
6
5
0
5
0
5
1
-
-
-
-
-
-
-
-
-
-
© NXP B.V. 2008. All rights reserved.
DD
= 5.0 V
24T
1T
2
Max
16
80
23
15
29
23
23
28
40
40
RCLK
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
RCLK
-
1
22 of 32
Unit
ns
ns
MHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
s
ns
ns
s
ns
ns