28C16A 데이터 시트보기 (PDF) - Microchip Technology

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28C16A

16K (2K x 8) CMOS EEPROM

Microchip Technology 

FIGURE 1-3: DATA POLLING WAVEFORMS

VIH

Address

VIL

VIH

CE

VIL

VIH

WE

VIL

VIH

OE

VIL

VIH

Data

VIL

Address Valid

t WPL

t WPH

t DV

Data In

Valid

t WC

28C16A

t ACC

t CE

Last Written

Address Valid

t OE

I/O7 Out

True Data Out

FIGURE 1-4: CHIP CLEAR WAVEFORMS

VIH

CE

VIL

VH

OE

VIH

VIH

WE

VIL

tS

tW

tH

tW = 10ms

tS = tH = 1µs

VH = 12.0V ±0.5V

TABLE 1-5: SUPPLEMENTARY CONTROL

Mode

Chip Clear

Extra Row Read

Extra Row Write

Note 1: VH = 12.0V±0.5V

CE

OE

WE

A9

VIL

VH

VIL

X

VIL

VIL

VIH

A9 = VH

*

VIH

*

A9 = VH

* Pulsed per programming waveforms.

VCC

I/OI

VCC

VCC

Data Out

VCC

Data In

 2004 Microchip Technology Inc.

DS11125J-page 5

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