T89C51RC2-3CSIM datasheet(90/117 Pages) ATMEL

90 / 117 page

T89C51RB2/RC2

4105D–8051–10/06

Table 67. AC Parameters for a Variable Clock

Shift Register Timing

Waveforms

Figure 40. Shift Register Timing Waveforms

Flash EEPROM Programming

and Verification

Characteristics

Table 68. Flash Programming Parameters

TA = 21

°C to 27°C; V

SS = 0V; VCC = 5V ± 10%.

Symbol

Type

Standard

Clock

X2 Clock

X parameter

for -M range

X parameter

for -L range

Units

XLXL

Min

12 T

6 T

QVHX

Min

10 T - x

5 T - x

XHQX

Min

2 T - x

T - x

XHDX

Min

XHDV

Max

10 T - x

5 T- x

133

VALID

INPUT DATA

VALID

2345

ALE

CLOCK

OUTPUT DATA

WRITE to SBUF

CLEAR RI

TXLXL

QVXH

XHQX

TXHDV

XHDX

SET TI

SET RI

INSTRUCTION

23456

VALID

Symbol

Parameter

Min

Max

Units

1/TCLCL

Oscillator Frequency

MHz

TEHAZ

Control to address float

48 TCLCL

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

GLGH

PROG Width for PGMC and

PGXC*

GLGH

PROG Width for PGML

48 T

CLCL

AVQV

Address to Valid Data

48 T

CLCL

ELQV

ENABLE Low to Data Valid

48 T

CLCL

EHQZ

Data Float after ENABLE

48 T

CLCL

T89C51RC2-3CSIM Datasheet(PDF) 90 Page - ATMEL Corporation

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