TS80C51RA2-VCKB datasheet(70/74 Pages) ATMEL

70 / 74 page

Rev. C - 06 March, 2001

TS80C51RA2/RD2

TS83C51RB2/RC2/RD2

TS87C51RB2/RC2/RD2

10.5.9. EPROM Programming and Verification Characteristics

TA =21

°Cto27°C; V

SS = 0V;

VCC =5V ± 10% while programming. VCC = operating range while verifying

10.5.10. EPROM Programming and Verification Waveforms

Figure 29. EPROM Programming and Verification Waveforms

Table 45. EPROM Programming Parameters

Symbol

Parameter

Min

Max

Units

VPP

Programming Supply Voltage

12.5

IPP

Programming Supply Current

1/TCLCL

Oscillator Frquency

MHz

TAVGL

Address Setup to PROG Low

48 TCLCL

TGHAX

Adress Hold after

PROG

48 TCLCL

TDVGL

Data Setup to PROG Low

48 TCLCL

TGHDX

Data Hold after PROG

48 TCLCL

TEHSH

(Enable) High to VPP

48 TCLCL

TSHGL

VPP Setup to PROG Low

µs

TGHSL

VPP Hold after PROG

µs

TGLGH

PROG Width

110

µs

TAVQV

Address to Valid Data

48 TCLCL

TELQV

ENABLE Low to Data Valid

48 TCLCL

TEHQZ

Data Float after ENABLE

48 TCLCL

TGHSL

TEHSH

ALE/PROG

TAVGL

TDVGL

P1.0-P1.7

P2.0-P2.5

P3.4-P3.5*

EA/VPP

CONTROL

SIGNALS

(ENABLE)

ADDRESS

DATA IN

VCC

VPP

VCC

TGHAX

TGHDX

TGLGH

TSHGL

ADDRESS

DATA OUT

TAVQV

TELQV

TEHQZ

PROGRAMMING

VERIFICATION

* 8KB: up to P2.4, 16KB: up to P2.5, 32KB: up to P3.4, 64KB: up to P3.5

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