参数资料
型号: PIC12C509/JW
厂商: Microchip Technology
文件页数: 99/113页
文件大小: 0K
描述: IC MCU EPROM 1KX12 8CDIP
标准包装: 56
系列: PIC® 12C
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: 5
程序存储器容量: 1.5KB(1K x 12)
程序存储器类型: EPROM,UV
RAM 容量: 41 x 8
电压 - 电源 (Vcc/Vdd): 2.5 V ~ 5.5 V
振荡器型: 内部
工作温度: 0°C ~ 70°C
封装/外壳: 8-CDIP(0.300",7.62mm)窗口
包装: 管件
配用: DVMCPA-ND - KIT DVR BOARD EVAL SYSTEM MXDEV1
DVA12XP080-ND - ADAPTER DEVICE FOR MPLAB-ICE
AC124001-ND - MODULE SKT PROMATEII 8DIP/SOIC
PIC12C5XX
DS40139E-page 86
1999 Microchip Technology Inc.
13.6
Timing Diagrams and Specifications
FIGURE 13-2: EXTERNAL CLOCK TIMING - PIC12C508A, PIC12C509A, PIC12CR509A,
PIC12CE518, PIC12CE519, PIC12LC508A, PIC12LC509A, PIC12LCR509A,
PIC12LCE518 and PIC12LCE519
TABLE 13-2:
EXTERNAL CLOCK TIMING REQUIREMENTS - PIC12C508A, PIC12C509A,
PIC12CE518, PIC12CE519, PIC12LC508A, PIC12LC509A, PIC12LCR509A,
PIC12LCE518 and PIC12LCE519
AC Characteristics
Standard Operating Conditions (unless otherwise specified)
Operating Temperature
0
°C ≤ TA ≤ +70°C (commercial),
–40
°C ≤ TA ≤ +85°C (industrial),
–40
°C ≤ TA ≤ +125°C (extended)
Operating Voltage VDD range is described in Section 13.1
Parameter
No.
Sym
Characteristic
Min
Typ(1)
Max
Units
Conditions
FOSC
External CLKIN Frequency(2)
DC
4
MHz
XT osc mode
DC
200
kHz
LP osc mode
Oscillator Frequency(2)
DC
4
MHz
EXTRC osc mode
0.1
4
MHz
XT osc mode
DC
200
kHz
LP osc mode
1TOSC
External CLKIN Period(2)
250
ns
XT osc mode
5
ms
LP osc mode
Oscillator Period(2)
250
ns
EXTRC osc mode
250
10,000
ns
XT osc mode
5
ms
LP osc mode
2Tcy
Instruction Cycle Time(3)
—4/FOSC
——
3
TosL, TosH Clock in (OSC1) Low or High Time
50*
ns
XT oscillator
2*
ms
LP oscillator
4
TosR, TosF Clock in (OSC1) Rise or Fall Time
25*
ns
XT oscillator
50*
ns
LP oscillator
*
These parameters are characterized but not tested.
Note 1: 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.
2: All specified values are based on characterization data for that particular oscillator type under standard oper-
ating 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.
3: Instruction cycle period (TCY) equals four times the input oscillator time base period.
OSC1
Q4
Q1
Q2
Q3
Q4
Q1
13
3
44
2
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