AM29LV800T datasheet(9/48 Pages) AMD

9 / 48 page

Am29LV800T/Am29LV800B

PRELIMINARY

Table 1.

Am29LV800 User Bus Operations (BYTE = VIH)

Table 2.

Am29LV800 User Bus Operations (BYTE = VIL)

Legend:

L = Logic 0, H = Logic 1, VID = 12.0 ± 0.5 Volts, X = Don’t care. See DC Characteristics (Table 12 and 13) for voltage levels.

Notes:

1. Manufacturer and device codes may also be accessed via a command register write sequence. Refer to Table 6.

2. Refer to Table 6 for valid Data in (DIN) during a write operation.

3. Set VCC = 3.0 Volts ± 10%.

4. Refer to Sector Protection section.

Operation

DQ0–DQ15

RESET

Autoselect, Manufacturer Code (Note 1)

VID

Code

Autoselect Device Code (Note 1)

VID

Code

Read

DOUT

Standby

XXXX

HIGH Z

Output Disable

XXXX

HIGH Z

Write

A0A1A6A9

DIN (Note 2)

Enable Sector Protect (Note 3)

VID

Pulse/H

VID

Code

Verify Sector Protect (Note 4)

VID

Code

Temporary Sector Unprotect

XXXX

VID

Reset

XXXX

HIGH Z

Operation

DQ0–DQ7

DQ8–DQ15

RESET

Autoselect, Manufacturer Code

(Note 1)

LLL

VID

Code

HIGH Z

Autoselect, Device Code

(Note 1)

VID

Code

HIGH Z

Read

DOUT

HIGH Z

Standby

XXXX

HIGH Z

Output Disable

XXXX

HIGH Z

Write

A0A1A6A9

DIN (Note 2)

HIGH Z

Enable Sector Protect (Note 3)

VID

Pulse/H

VID

Code

HIGH Z

Verify Sector Protect (Note 4)

VID

Code

HIGH Z

Temporary Sector Unprotect

XXXX

HIGH Z

VID

Reset

XXXX

HIGH Z

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