參數(shù)資料
型號： PIC16F54T-I/SS
廠商： Microchip Technology
文件頁數(shù)： 63/88頁
文件大?。?/td> 0K
描述： IC MCU FLASH 512X12 20SSOP
產(chǎn)品培訓(xùn)模塊： Asynchronous Stimulus
標(biāo)準(zhǔn)包裝： 1,600
系列： PIC® 16F
核心處理器： PIC
芯體尺寸： 8-位
速度： 20MHz
外圍設(shè)備： POR，WDT
輸入/輸出數(shù)： 12
程序存儲器容量： 768B（512 x 12）
程序存儲器類型： 閃存
RAM 容量： 25 x 8
電壓 - 電源 (Vcc/Vdd)： 2 V ~ 5.5 V
振蕩器型： 外部
工作溫度： -40°C ~ 85°C
封裝/外殼： 20-SSOP（0.209"，5.30mm 寬）
包裝： 帶卷 (TR)
PIC16F5X
DS41213D-page 64
2007 Microchip Technology Inc.
TABLE 11-1:
EXTERNAL CLOCK TIMING REQUIREMENTS
AC CHARACTERISTICS
Standard Operating Conditions (unless otherwise specified)
Operating Temperature
-40
°C ≤ TA ≤ +85°C for industrial
-40
°C ≤ TA ≤ +125°C for extended
Parameter
No.
Sym.
Characteristic
Min.
Typ
Max.
Units
Conditions
FOSC
External CLKIN Frequency(1)
DC
—
4.0
MHz XT Osc mode
DC
—
20
MHz HS Osc mode
DC
—
200
kHz
LP Osc mode
Oscillator Frequency(1)
DC
—
4.0
MHz RC Osc mode
0.1
—
4.0
MHz XT Osc mode
4.0
—
20
MHz HS Osc mode
5.0
—
200
kHz
LP Osc mode
1TOSC
External CLKIN Period(1)
250
—
ns
XT Osc mode
50
—
ns
HS Osc mode
5.0
—
μsLP Osc mode
Oscillator Period(1)
250
—
ns
RC Osc mode
250
—
10,000
ns
XT Osc mode
50
—
250
ns
HS Osc mode
5.0
—
μsLP Osc mode
2TCY
Instruction Cycle Time(2)
—4/FOSC
——
3
TosL, TosH
Clock in (OSC1) Low or High
Time
50*
—
ns
XT oscillator
20*
—
ns
HS oscillator
2.0*
—
μs
LP oscillator
4
TosR, TosF
Clock in (OSC1) Rise or Fall
Time
—
25*
ns
XT oscillator
—
5*
ns
HS oscillator
—
50*
ns
LP oscillator
*
These parameters are characterized but not tested.
Data in the Typical (“Typ”) column is at 5V, 25°C unless otherwise stated. These parameters are for design
guidance only and are not tested.
Note 1:
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 an
unstable oscillator operation and/or higher than expected current consumption.
When an external clock input is used, the “max” cycle time limit is “DC” (no clock) for all devices.
2:
Instruction cycle period (TCY) equals four times the input oscillator time base period.
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