参数资料
型号: PIC16F84A-04E/P
厂商: Microchip Technology
文件页数: 55/81页
文件大小: 0K
描述: IC MCU CMOS 4MHZ 1K FLASH 18-DIP
产品培训模块: Asynchronous Stimulus
标准包装: 25
系列: PIC® 16F
核心处理器: PIC
芯体尺寸: 8-位
速度: 4MHz
外围设备: POR,WDT
输入/输出数: 13
程序存储器容量: 1.75KB(1K x 14)
程序存储器类型: 闪存
EEPROM 大小: 64 x 8
RAM 容量: 68 x 8
电压 - 电源 (Vcc/Vdd): 4 V ~ 5.5 V
振荡器型: 外部
工作温度: -40°C ~ 125°C
封装/外壳: 18-DIP(0.300",7.62mm)
包装: 管件
配用: I3-DB16F84A-ND - BOARD DAUGHTER ICEPIC3
2001 Microchip Technology Inc.
DS35007B-page 57
PIC16F84A
9.3.3
TIMING DIAGRAMS AND SPECIFICATIONS
FIGURE 9-6:
EXTERNAL CLOCK TIMING
OSC1
CLKOUT
Q4
Q1
Q2
Q3
Q4
Q1
13
3
4
2
TABLE 9-2:
EXTERNAL CLOCK TIMING REQUIREMENTS
Param No.
Sym
Characteristic
Min
Typ
Max
Units
Conditions
FOSC
External CLKIN Frequency(1)
DC
2
MHz
XT, RC osc
(-04, LF)
DC
4
MHz
XT, RC osc
(-04)
DC
20
MHz
HS osc
(-20)
DC
200
kHz
LP osc
(-04, LF)
Oscillator Frequency(1)
DC
2
MHz
RC osc
(-04, LF)
DC
4
MHz
RC osc
(-04)
0.1
2
MHz
XT osc
(-04, LF)
0.1
4
MHz
XT osc
(-04)
1.0
20
MHz
HS osc
(-20)
DC
200
kHz
LP osc
(-04, LF)
1TOSC
External CLKIN Period(1)
500
ns
XT, RC osc
(-04, LF)
250
ns
XT, RC osc
(-04)
50
ns
HS osc
(-20)
5.0
s
LP osc
(-04, LF)
Oscillator Period(1)
500
ns
RC osc
(-04, LF)
250
ns
RC osc
(-04)
500
10,000
ns
XT osc
(-04, LF)
250
10,000
ns
XT osc
(-04)
50
1,000
ns
HS osc
(-20)
5.0
s
LP osc
(-04, LF)
2TCY
Instruction Cycle Time(1)
0.2
4/FOSC
DC
s
3
TosL,
TosH
Clock in (OSC1) High or Low
Time
60
ns
XT osc
(-04, LF)
50
ns
XT osc
(-04)
2.0
s
LP osc
(-04, LF)
17.5
ns
HS osc
(-20)
4TosR,
TosF
Clock in (OSC1) Rise or Fall
Time
25
ns
XT osc
(-04)
50
ns
LP osc
(-04, LF)
7.5
ns
HS osc
(-20)
Data in "Typ" column is at 5.0V, 25
°C unless otherwise stated. These parameters are for design guidance
only and are not tested.
Note 1: 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 an unstable oscillator opera-
tion and/or higher than expected current consumption. All devices are tested to operate at "Min." values
with an external clock applied to the OSC1 pin.
When an external clock input is used, the "Max." cycle time limit is "DC" (no clock) for all devices.
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