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TS68HC901 Datasheet(PDF) 31 Page - STMicroelectronics

Part # TS68HC901
Description  HCMOS MULTI-FUNCTION PERIPHERAL
PDF  42 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

TS68HC901 Datasheet(HTML) 31 Page - STMicroelectronics

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AC ELECTRICAL CHARACTERISTICS (continued)
(VCC = 5.0Vdc ± 5%, GND = 0Vdc, TA =0°Cto 70°C)
Number
Characteristic
Value
Unit
4MHz
5MHz
8MHz
Min.
Max.
Min.
Max.
Min.
Max.
30(6)
Timer Output Low from Rising Edge of
CS or DS (A & B) (reset TOUT)
450
450
200
ns
31(2)
TOUT Valid from Internal Timeout
2 tCLK
+ 300
2tCLK
+ 300
2tCLK
+ 300
ns
32
Timer Clock Low Time
110
90
55
ns
33
Timer Clock High Time
110
90
55
ns
34
Timer Clock Cycle Time
250
1000
200
1000
125
1000
ns
35
RESET Low Time
2
1.8
1.5
µs
36
Delay to Falling INTR from External
Interrupt Active Transition
380
380
250
ns
37
Transmitter Internal Interrupt Delay
from Falling Edge of TC
550
550
350
ns
38
Receiver Buffer Full Interrupt
Transition Delay from Rising Edge of
RC
800
800
400
ns
39
Receiver Error Interrupt Transition
Delay from Falling Edge of RC
800
800
400
ns
40
Serial in Set Up Time to Rising Edge
of RC (divide by one only)
80
70
50
ns
41
Data Hold Time from Rising Edge of
RC
(divide by one only)
350
325
100
ns
42
Serial Output Data Valid from Falling
Edge of TC (
÷1)
440
420
200
ns
43
Transmitter Clock Low Time
500
450
250
ns
44
Transmitter Clock High Time
500
450
250
ns
45
Transmitter Clock Cycle Time
1.05
0.95
0.55
µs
46
Receiver Clock Low Time
500
450
250
ns
47
Receiver Clock High Time
500
450
250
ns
48
Receiver Clock Cycle Time
1.05
0.95
0.55
µs
49(2)
CS, IACK, DS Width Low
80
80
80
TCLK
50
Serial Output Data Valid from Falling
Edge of TC (
÷16)
490
370
250
ns
Not es :
2. TCLK refers to the clock applied to the MFP CLK input
pin. tCLK refers to the timer clock signal, regardless of
whetherthat signal comes from the XTAL 1/XTAL2 crys-
tal clock inputs or the TAI or TBI timer inputs.
6. Spec. 30 applies to timer outputs TAO and TBO only.
®
TS68HC901
31/42



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