参数资料
型号: PIC12F675-I/MD
厂商: Microchip Technology
文件页数: 19/35页
文件大小: 0K
描述: IC PIC MCU FLASH 1KX14 8DFN
产品培训模块: Asynchronous Stimulus
8-bit PIC® Microcontroller Portfolio
标准包装: 91
系列: PIC® 12F
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: 5
程序存储器容量: 1.75KB(1K x 14)
程序存储器类型: 闪存
EEPROM 大小: 128 x 8
RAM 容量: 64 x 8
电压 - 电源 (Vcc/Vdd): 2 V ~ 5.5 V
数据转换器: A/D 4x10b
振荡器型: 内部
工作温度: -40°C ~ 85°C
封装/外壳: 8-VDFN 裸露焊盘
包装: 管件
产品目录页面: 637 (CN2011-ZH PDF)
配用: AC164326-ND - MODULA SKT PM3 20QFN
26
0787E–MICRO–3/06
AT89S53
AC Characteristics
Under operating conditions, load capacitance for Port 0, ALE/PROG, and PSEN = 100 pF; load capacitance for all other
outputs = 80 pF.
External Program and Data Memory Characteristics
Symbol
Parameter
12MHz Oscillator
Variable Oscillator
Units
Min
Max
Min
Max
1/t
CLCL
Oscillator Frequency
0
24
MHz
tLHLL
ALE Pulse Width
127
2tCLCL - 40
ns
tAVLL
Address Valid to ALE Low
43
tCLCL - 13
ns
t
LLAX
Address Hold after ALE Low
48
t
CLCL - 20
ns
tLLIV
ALE Low to Valid Instruction In
233
4tCLCL - 65
ns
tLLPL
ALE Low to PSEN Low
43
tCLCL - 13
ns
t
PLPH
PSEN Pulse Width
205
3t
CLCL - 20
ns
tPLIV
PSEN Low to Valid Instruction In
145
3tCLCL - 45
ns
tPXIX
Input Instruction Hold after PSEN
0
ns
t
PXIZ
Input Instruction Float after PSEN
59
t
CLCL - 10
ns
tPXAV
PSEN to Address Valid
75
tCLCL - 8
ns
tAVIV
Address to Valid Instruction In
312
5tCLCL - 55
ns
t
PLAZ
PSEN Low to Address Float
10
ns
tRLRH
RD Pulse Width
400
6tCLCL - 100
ns
t
WLWH
WR Pulse Width
400
6t
CLCL - 100
ns
t
RLDV
RD Low to Valid Data In
252
5t
CLCL - 90
ns
tRHDX
Data Hold after RD
0
ns
t
RHDZ
Data Float after RD
97
2t
CLCL - 28
ns
t
LLDV
ALE Low to Valid Data In
517
8t
CLCL - 150
ns
tAVDV
Address to Valid Data In
585
9tCLCL - 165
ns
t
LLWL
ALE Low to RD or WR Low
200
300
3t
CLCL - 50
3t
CLCL + 50
ns
t
AVWL
Address to RD or WR Low
203
4t
CLCL - 75
ns
tQVWX
Data Valid to WR Transition
23
tCLCL - 20
ns
t
QVWH
Data Valid to WR High
433
7t
CLCL - 120
ns
t
WHQX
Data Hold after WR
33
t
CLCL - 20
ns
tRLAZ
RD Low to Address Float
0
ns
t
WHLH
RD or WR High to ALE High
43
123
t
CLCL - 20
t
CLCL + 25
ns
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