参数资料
型号: PIC16F54T-I/SS
厂商: Microchip Technology
文件页数: 63/88页
文件大小: 0K
描述: IC MCU FLASH 512X12 20SSOP
产品培训模块: Asynchronous Stimulus
标准包装: 1,600
系列: PIC® 16F
核心处理器: PIC
芯体尺寸: 8-位
速度: 20MHz
外围设备: POR,WDT
输入/输出数: 12
程序存储器容量: 768B(512 x 12)
程序存储器类型: 闪存
RAM 容量: 25 x 8
电压 - 电源 (Vcc/Vdd): 2 V ~ 5.5 V
振荡器型: 外部
工作温度: -40°C ~ 85°C
封装/外壳: 20-SSOP(0.209",5.30mm 宽)
包装: 带卷 (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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