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Table 74 – Rainbow Electronics T89C5115 User Manual

Page 97

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97

T89C5115

4128A–8051–04/02

Float Waveforms

For timing purposes as port pin is no longer floating when a 100 mV change from load
voltage occurs and begins to float when a 100 mV change from the loaded V

OH

/V

OL

level

occurs. I

OL

/I

OH

≥ ±

20 mA.

Flash Memory

Table 74. Memory AC Timing

VDD = 5V ± 10% , TA = -40 to +85

°

C

Figure 45. Flash Memory - Internal Busy Waveforms

FLOAT

V

OH

- 0.1 V

V

OL

+ 0.1 V

V

LOAD

V

LOAD

+ 0.1 V

V

LOAD

- 0.1 V

Symbol

Parameter

Min

Typ

Max

Unit

T

BHBL

Flash Internal Busy (Programming) Time

10

ms

FBUSY bit

T

BHBL