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| 型号： | MTA85812S-10I/SS |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 8-BIT, OTPROM, 10 MHz, RISC MICROCONTROLLER, PDSO20 |
| 封装： | 0.209 INCH, PLASTIC, SSOP-20 |
| 文件页数： | 30/72页 |
| 文件大小： | 760K |
| 代理商： | MTA85812S-10I/SS |
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MTA85XXX
DS40115C-page 36
1995 Microchip Technology Inc.
15.3
AC Characteristics
TABLE 15-5:
AC CHARACTERISTICS OF MICROCONTROLLER: MTA854XX-04 (INDUSTRIAL)
MTA858XX-04 (INDUSTRIAL)
MTA858XX-10 (INDUSTRIAL)
AC CHARACTERISTICS
Standard Operating Conditions
Operating temperature
-40
°C ≤ TA ≤ +85°C for industrial
Characteristic
Sym
Min
Typ
Max
Units
Conditions
External CLOCKIN
Frequency (Note 2)
FOSC
DC
4
20
40
MHz
kHz
RC mode
XT mode
HS mode (Com/Ind) (Note 5)
LP mode
Oscillator Frequency (Note 2)
FOSC
DC
0.1
4
DC
4
20
40
MHz
kHz
RC mode
XT mode
HS mode (Com/Ind) (Note 5)
LP mode
Instruction Cycle Time (Note 2)
TCY
1.0
0.2
100
4/Fosc
DC
s
RC mode
XT mode
HS mode (Note 5)
LP mode
External Clock in Timing (Note 4)
Clock in (OSC1) High or Low time
XT oscillator type
TCKHLXT
50*
ns
LP oscillator type
TCKHLLP
2*
s
HS oscillator type
TCKHLHS
20*
ns
Clock in (OSC1) Rise or fall time
XT oscillator type
TCKRFXT
25*
ns
LP oscillator type
TCKRFLP
50*
ns
HS oscillator type
TCKRFHS
25*
ns
RESET Timing
MCLR Pulse Width (low)
TMCL
100*
ns
T0CKI Input Timing, No prescaler
T0CKI High Pulse Width
TRTH
0.5 TCY+20*
ns
Note 3
T0CKI Low Pulse Width
TRTL
0.5 TCY+20*
ns
Note 3
* Guaranteed by characterization but not tested.
Note 1: Data in the column labeled "Typ" is based on characterization results at 25
°C. This data is for design guidance
only and is not tested for, or guaranteed by Microchip Technology.
Note 2: Instruction cycle period (TCY) equals four times the input oscillator time base period. All specified values are
based on characterization data for that particular oscillator type under standard operating conditions with the
device executing code. Exceeding these specified limits may result in unstable oscillator operation and/or
higher than expected current consumption. All devices are tested to operate at "minimum" values with an
external clock applied to the OSC1 pin. When an external clock input is used, the "maximum" cycle time limit
is "DC" (no clock) for all devices.
Note 3: For a detailed explanation of T0CKI input clock requirements see microcontroller datasheet Section 5.2.1.
Note 4: Clock-in high-time is the duration for which clock input is at VIHOSC or higher.
Clock-in low-time is the duration for which clock input is at VILOSC or lower.
Note 5: This HS specification is only for the -20 device. The -10 device has a maximum of 10 MHz and the -04 device
has a maximum of 4 MHz.
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