SC16C754B Datasheet, PDF (37/50 Pages) NXP Semiconductors – 5 V, 3.3 V and 2.5 V quad UART, 5 Mbit/s (max.) with 64-byte FIFOs

Philips Semiconductors
SC16C754B
5 V, 3.3 V and 2.5 V quad UART, 5 Mbit/s (max.) with 64-byte FIFOs
11. Dynamic characteristics
Table 26: Dynamic characteristics
T_amb = −40 °C to +85 °C; tolerance of V_CC ± 10 %, unless otherwise specified.
Symbol Parameter
Conditions
V_CC = 2.5 V
Min Max
t_1w, t_2w clock pulse duration
10
-
f_XTAL oscillator/clock frequency
[1] [2] _-
48
t_6s
address setup time
0
-
t_6h
address hold time
0
-
t_7d
IOR delay from chip select
10
-
t_7w
IOR strobe width
25 pF load
90
-
t_7h
chip select hold time from IOR
0
-
t_9d
read cycle delay
25 pF load
20
-
t_12d
delay from IOR to data
25 pF load
-
90
t_12h
data disable time
25 pF load
-
15
t_13d
IOW delay from chip select
10
-
t_13w
IOW strobe width
20
-
t_13h
chip select hold time from IOW
0
-
t_15d
write cycle delay
25
-
t_16s
data setup time
20
-
t_16h
data hold time
15
-
t_17d
delay from IOW to output
25 pF load
-
100
t_18d
delay to set interrupt from
Modem input
25 pF load
-
100
t_19d
delay to reset interrupt from 25 pF load
IOR
-
100
t_20d
delay from stop to set interrupt
-
1T_RCLK
[3]
V_CC = 3.3 V
Min Max
6
-
-
80
0
-
0
-
10
-
26
-
0
-
20
-
-
26
-
15
10
-
20
-
0
-
25
-
15
-
5
-
-
33
-
24
-
24
-
1T_RCLK
[3]
V_CC = 5.0 V
Min Max
6
-
80
0
-
0
-
10
-
23
-
0
-
20
-
-
23
-
15
10
-
15
-
0
-
20
-
15
-
5
-
-
29
-
23
-
23
-
1T_RCLK
[3]
Unit
ns
MHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
t_21d
delay from IOR to reset
interrupt
25 pF load
t_22d
delay from start to set interrupt
t_23d
delay from IOW to transmit
start
t_24d
delay from IOW to reset
interrupt
t_25d
delay from stop to set RXRDY
-
100
-
29
-
28
ns
-
100
-
45
-
40
ns
8T_RCLK 24T_RCLK 8T_RCLK 24T_RCLK 8T_RCLK 24T_RCLK ns
[3]
[3]
[3]
[3]
[3]
[3]
-
100
-
45
-
40
ns
-
1T_RCLK -
1T_RCLK -
1T_RCLK ns
[3]
[3]
[3]
t_26d
t_27d
t_28d
t_RESET
N
delay from IOR to reset RXRDY
delay from IOW to set TXRDY
delay from start to reset
TXRDY
RESET pulse width
baud rate divisor
-
100
-
45
-
40
ns
-
100
-
45
-
40
ns
-
8T_RCLK -
8T_RCLK -
8T_RCLK ns
[3]
[3]
[3]
200 -
200 -
200 -
ns
1
(2¹⁶ − 1) 1
(2¹⁶ − 1) 1
(2¹⁶ − 1)
[1] Applies to external clock, crystal oscillator max 24 MHz.
9397 750 14668
Product data sheet
Rev. 02 — 13 June 2005
© Koninklijke Philips Electronics N.V. 2005. All rights reserved.
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