参数资料
型号: IS89C51-40PQ
厂商: INTEGRATED SILICON SOLUTION INC
元件分类: 微控制器/微处理器
英文描述: 8-BIT, FLASH, 40 MHz, MICROCONTROLLER, PQFP44
封装: PLASTIC, QFP-44
文件页数: 33/48页
文件大小: 371K
代理商: IS89C51-40PQ
IS89C51
Integrated Silicon Solution, Inc. — 1-800-379-4774
39
MC016-1C
11/21/98
ISSI
Table 14. Flash Programming and Verification Characteristics(1)
Symbol
Parameter
Min
Max
Unit
VPP
Programming Supply Voltage
11.5
12.5
V
1/tCLCL
Oscillator Frequency
3.5
12
MHz
tAVGL
Address Setup to
PROG Low
48
tCLCL
tGHAX
Address Hold after
PROG
48
tCLCL
tDVGL
Data Setup to
PROG Low
48
tCLCL
tGHDX
Data Hold after
PROG
48
tCLCL
tEHSH
COND ENABLE to VPPH
48
tCLCL
tSHGL
VPPH Setup to
PROG Low
10
s
tGHSL
VPPH Hold after
PROG
10
s
tGLGH
PROG Pulse Width
120
s
tGHGL
PROG High to PROG Low
10
s
tAVQV
Address to Data Valid
48
tCLCL
tELQV
COND ENABLE to Data Valid
48
tCLCL
tEHQZ
Data Float after COND DISABLE
48
tCLCL
tGLGHE
Erase
PROG Pulse Width
200
ms
tELPL
COND DISABLE to Power Low
0
ns
tPLPH
Power Off Time
10
s
tPHEH
Power On to VPPL
10
ms
tEHVH
VPPL to COND ENABLE
0
ns
Notes:
1. TA = 21
°C to 27°C, Vcc = 5.0V ± 10%.
2. COND ENABLE and COND DISABLE are generated and depend on the control signals on pins P2.6,
P2.7, P3.6 and P3.7. The signals set the device in to and out of different processing conditions, such
as programming condition, erasing condition, and verify condition.
FLASH PROGRAMMING AND VERIFICATION CHARACTERISTICS AND WAVEFORMS
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