ST16C452CJ68PS-F View Datasheet(PDF) - Exar Corporation
Part Name
Description
MFG CO.
'ST16C452CJ68PS-F' PDF : 30 Pages View PDF
ST16C452/452PS
AC ELECTRICAL CHARACTERISTICS
T =0° - 70°C (-40° - +85°C for Industrial grade packages), Vcc=3.3 - 5.0 V ± 10% unless otherwise specified.
A
Symbol
Parameter
T1w,T2w
T3w
T6s
T7d
T7w
T7h
T9d
T12d
T12h
T13d
T13w
T13h
T15d
T16s
T16h
T17d
T18d
T19d
T20d
T21d
T22d
T23d
T24d
T39w
T40s
T41h
T42d
T43d
TR
N
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
-ACK pulse width
PD7 - PD0 setup time
PD7 - PD0 hold time
Delay from -ACK low to interrupt low
Delay from -IOR to reset interrupt
Reset pulse width
Baud rate devisor
Limits
3.3
Min Max
17
8
5
10
35
0
40
35
25
10
40
0
40
20
5
50
40
40
1
45
45
8
24
45
75
15
30
10
10
40
1
216-1
Limits
5.0
Min Max
17
24
0
10
25
0
30
25
15
10
25
0
30
15
5
40
35
Units
ns
MHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Conditions
100 pF load
100 pF load
35 ns 100 pF load
1 Rclk
40 ns 100 pF load
40 ns
8
24 Rclk
40 ns
75
ns
10
ns
25
ns
5
ns
5
ns
40
ns
1 216-1 Rclk
Rev. 3.20
22
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