ST16C654CJ68 EXAR [Exar Corporation], ST16C654CJ68 Datasheet - Page 34

• Manufacturer Part Number: ST16C654CJ68
• Description: QUAD UART WITH 64-BYTE FIFO AND INFRARED (IrDA) ENCODER/DECODER
• Manufacturer: EXAR [Exar Corporation]

ST16C654/654D
AC ELECTRICAL CHARACTERISTICS
T
A
Symbol
=0° - 70°C (-40° - +85°C for Industrial grade packages), Vcc=3.3 - 5.0 V ± 10% unless otherwise specified.
Rev. 4.10
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
1w,
3w
6s
7d
7w
7h
9d
12d
12h
13d
13w
13h
15d
16s
16h
17d
18d
19d
20d
21d
22d
23d
24d
25d
26d
27d
28d
30s
30w
30h
30d
31d
31h
32s
32h
32d
T
2w
Clock pulse duration
Oscillator/Clock frequency
Address setup time
-IOR delay from chip select
-IOR strobe width
Chip select hold time from -IOR
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
Write cycle delay
Data setup 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 from -IOR to reset interrupt
Delay from stop to interrupt
Delay from initial INT reset to transmit
start
Delay from -IOW to reset interrupt
Delay from stop to set -RxRdy
Delay from -IOR to reset -RxRdy
Delay from -IOW to set -TxRdy
Delay from start to reset -TxRdy
Address setup time
Chip select strobe width
Address hold time
Read cycle delay
Delay from -CS to data
Data disable time
Write strobe setup time
Write strobe hold time
Write cycle delay
Parameter
5-98
Min
20
10
10
50
50
35
10
40
50
20
50
10
40
15
70
15
10
10
70
5
0
8
Limits
3.3
Max
200
175
1
100
175
175
35
50
50
50
24
8
Rclk
1
8
Min
20
10
10
10
10
25
50
25
35
40
50
15
35
10
40
15
70
15
15
70
5
5
0
8
Limits
5.0
Max
200
100
175
1
175
175
35
50
35
35
24
24
Rclk
1
8
Units
MHz
Rclk
Rclk
Rclk
Rclk
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
100 pF load
100 pF load
100 pF load
100 pF load
Conditions