参数资料
型号: S80C31BH
厂商: INTEL CORP
元件分类: 微控制器/微处理器
英文描述: 8-BIT, 12 MHz, MICROCONTROLLER, PQFP44
封装: QFP-44
文件页数: 5/21页
文件大小: 2233K
代理商: S80C31BH
87C51/80C51BH/80C31BH
EXTERNAL MEMORY CHARACTERISTICS
All parameter values apply to all devices unless otherwise indicated. In this table, 87C51/BH refers to
87C51/BH, 87C51-1/BH-1 and 87C51-2/BH-2. (Continued)
Symbol
Parameter
Oscillator
Units
12 MHz
24 MHz
Variable
Min
Max
Min
Max
Min
Max
TPXIX
Input Instr Hold After PSEN
00
0
ns
TPXIZ
Input Instr Float After PSEN
87C51/BH
59
TCLCLb25
ns
87C51-24/BH-24
21
TCLCLb20
ns
TAVIV
Address to Valid Instr In
312
103
5TCLCLb105
ns
TPLAZ
PSEN Low to Address Float
10
ns
TRLRH
RD Pulse Width
400
150
6TCLCLb100
ns
TWLWH WR Pulse Width
400
150
6TCLCLb100
ns
TRLDV
RD Low to Valid Data In
87C51/BH
252
5TCLCLb165
ns
87C51-24/BH-24
113
5TCLCLb95
ns
TRHDX
Data Hold After RD
00
0
ns
TRHDZ
Data Float After RD
107
23
2TCLCLb60
ns
TLLDV
ALE Low to Valid Data In
87C51/BH
517
8TCLCLb150
ns
87C51-24/BH-24
243
8TCLCLb90
ns
TAVDV
Address to Valid Data In
87C51/BH
585
9TCLCLb165
ns
87C51-24/BH-24
285
9TCLCLb90
ns
TLLWL
ALE Low to RD or WR Low
200 300
75
175
3TCLCLb50
3TCLCLa 50
ns
TAVWL
Address to RD or WR Low
87C51/BH
203
4TCLCLb130
ns
87C51-24/BH-24
77
4TCLCLb90
ns
TQVWX Data Valid to WR Transition
87C51/BH
33
TCLCLb50
ns
80C51-24/BH-24
12
TCLCLb30
ns
13
相关PDF资料
PDF描述
S80C51BHP-1 8-BIT, MROM, 16 MHz, MICROCONTROLLER, PQFP44
S80C51BH 8-BIT, MROM, 12 MHz, MICROCONTROLLER, PQFP44
S87C51BH-2 8-BIT, OTPROM, 12 MHz, MICROCONTROLLER, PQFP44
MD80C86/883 16-BIT, 5 MHz, MICROPROCESSOR, CDIP40
MR80C86-2/883 16-BIT, 8 MHz, MICROPROCESSOR, CQCC44
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