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89LS8252 Datasheet(PDF) 23 Page - ATMEL Corporation

Part # 89LS8252
Description  8-Bit Microcontroller with 8K Bytes Flash
PDF  31 Pages
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Manufacturer  ATMEL [ATMEL Corporation]
Direct Link  http://www.atmel.com
Logo ATMEL - ATMEL Corporation

89LS8252 Datasheet(HTML) 23 Page - ATMEL Corporation

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AT89LS8252
4-159
Flash Programming and Verification Characteristics - Parallel Mode
TA = 0°C to 70°C, VCC = 5.0V ± 10%
Symbol
Parameter
Min
Max
Units
VPP
Programming Enable Voltage
11.5
12.5
V
IPP
Programming Enable Current
1.0
mA
1/tCLCL
Oscillator Frequency
3
12
MHz
tAVGL
Address Setup to PROG Low
48tCLCL
tGHAX
Address Hold After PROG
48tCLCL
tDVGL
Data Setup to PROG Low
48tCLCL
tGHDX
Data Hold After PROG
48tCLCL
tEHSH
P2.7 (ENABLE) High to VPP
48tCLCL
tSHGL
VPP Setup to PROG Low
10
µs
tGLGH
PROG Width
1
110
µs
tAVQV
Address to Data Valid
48tCLCL
tELQV
ENABLE Low to Data Valid
48tCLCL
tEHQZ
Data Float After ENABLE
0
48tCLCL
tGHBL
PROG High to BUSY Low
1.0
µs
tWC
Byte Write Cycle Time
2.0
ms



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