sc68c652b NXP Semiconductors, sc68c652b Datasheet - Page 29

• Manufacturer Part Number: sc68c652b
• Description: Sc68c652b 5 V, 3.3 V And 2.5 V Dual Uart, 5 Mbit/s Max. With 32-byte Fifos, Irda Encoder/decoder, And Motorola Up Interface
• Manufacturer: NXP Semiconductors

Philips Semiconductors
10. Dynamic characteristics
Table 29:
T
[1]
[2]
[3]
9397 750 14657
Product data sheet
Symbol
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
f
t
t
t
t
d1
d2
d3
d4
d6
d7
d8
d9
d10
d11
d12
d13
d14
d15
d16
d17
d18
h2
h3
h4
1w
XTAL
(RESET)
su1
su2
w1
amb
, t
RCLK is an internal signal derived from Divisor Latch LSB (DLL) and Divisor Latch MSB (DLM) divisor latches.
Applies to external clock; crystal oscillator max 24 MHz.
f
2w
= 40 C to +85 C; V
XTAL
Parameter
R/W to chip select
read cycle delay
delay from CS to data
data disable time
write cycle delay
delay from write to output
delay to set interrupt from modem
input
delay to reset interrupt from read
delay from stop to set interrupt
delay from read to reset interrupt
delay from start to set interrupt
delay from write to transmit start
delay from write to reset interrupt
delay from stop to set RXRDY
delay from read to reset RXRDY
delay from write to set TXRDY
delay from start to reset TXRDY
R/W hold time from CS
data hold time
address hold time
clock cycle period
clock speed
RESET pulse width
address setup time
data setup time
CS strobe width
=
Dynamic characteristics
-------
t
3w
1
CC
= 2.5 V, 3.3 V
10 % or 5 V
Conditions
25 pF load
25 pF load
25 pF load
25 pF load
25 pF load
25 pF load
25 pF load
Rev. 01 — 25 April 2005
Dual UART with 32-byte FIFOs and IrDA encoder/decoder
10 %, unless specified otherwise.
[2] [3]
8T
RCLK
Min
200
10
20
25
10
15
15
10
10
16
77
-
-
-
-
-
-
-
-
-
-
-
-
-
-
V
CC
[1]
= 2.5 V
24T
16T
1T
1T
Max
RCLK
RCLK
100
100
100
100
100
100
100
100
RCLK
RCLK
77
15
48
-
-
-
-
-
-
-
-
-
-
-
[1]
[1]
[1]
[1]
© Koninklijke Philips Electronics N.V. 2005. All rights reserved.
8T
V
RCLK
SC68C652B
Min
200
CC
10
20
25
10
15
15
10
16
30
6
-
-
-
-
-
-
-
-
-
-
-
-
-
-
= 3.3 V and 5 V
[1]
24T
16T
1T
1T
Max
RCLK
RCLK
100
RCLK
RCLK
26
15
33
24
24
29
70
75
70
80
-
-
-
-
-
-
-
-
-
-
-
[1]
[1]
[1]
[1]
29 of 41
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
MHz
ns
ns
ns
ns