AT89C2051X2-8PC View Datasheet(PDF) - Atmel Corporation

Part Name

Description

Manufacturer

AT89C2051X2-8PC

8-bit Microcontroller with 2K Bytes Flash

Atmel Corporation 

AT89C2051x2

Flash Programming and Verification Characteristics

TA = 0°C to 70°C, VCC = 5.0 ± 10%

Symbol

Parameter

VPP

IPP

tDVGL

tGHDX

tEHSH

tSHGL

tGHSL

tGLGH

tELQV

tEHQZ

tGHBL

tWC

tBHIH

tIHIL

Note:

Programming Enable Voltage

Programming Enable Current

Data Setup to PROG Low

Data Hold after PROG

P3.4 (ENABLE) High to VPP

VPP Setup to PROG Low

VPP Hold after PROG

PROG Width

ENABLE Low to Data Valid

Data Float after ENABLE

PROG High to BUSY Low

Byte Write Cycle Time

RDY/BSY\ to Increment Clock Delay

Increment Clock High

1. Only used in 12-volt programming mode.

Flash Programming and Verification Waveforms

Min

Max

Units

11.5

12.5

V

250

µA

1.0

µs

1.0

µs

1.0

µs

10

µs

10

µs

1

110

µs

1.0

µs

0

1.0

µs

50

ns

2.0

ms

1.0

µs

200

ns

11

3285B–MICRO–10/03

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