AT52BC3221A 데이터 시트보기 (PDF) - Atmel Corporation

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AT52BC3221A

32-Mbit Flash + 8-Mbit PSRAM Stack Memory

Atmel Corporation 

AT52BC3221A(T)

DC and AC Operating Range

Operating Temperature (Case)

VCC Power Supply

32-Mbit Flash

-25°C to 85°C

2.7V to 3.3V

Operating Modes

Mode

CE OE WE RESET

VPP

Ai

I/O

Read

Program/Erase(2)

Standby/Program Inhibit

VIL

VIL

VIH

VIH

VIL

VIH

VIL

VIH

VIH

X(1)

X

VIH

X

VIHPP(6)

X

Ai

DOUT

Ai

DIN

X

High-Z

X

X

VIH

VIH

X

Program Inhibit

X

VIL

X

VIH

X

X

X

VIH

X

VILPP(7)

Output Disable

X

VIH

X

VIH

X

High-Z

Reset

X

X

X

VIL

X

X

High-Z

Product Identification

Hardware

VIL

VIL

VIH

VIH

A1 - A20 = VIL, A9 = VH(3), A0 = VIL

A1 - A20 = VIL, A9 = VH(3), A0 = VIH

Software(5)

A0 = VIL, A1 - A20 = VIL

VIH

A0 = VIH, A1 - A20 = VIL

Notes: 1. X can be VIL or VIH.

2. Refer to AC programming waveforms on page 22.

3. VH = 12.0V ± 0.5V.

4. Manufacturer Code: 001FH (x16), Device Code: 00C8H (x16)-Bottom Boot; 00C9H (x16)-Top Boot.

5. See details under “Software Product Identification Entry/Exit” on page 24.

6. VIHPP (min) = 0.9V; VIHPP (max) = 3.6V.

7. VILPP (max) = 0.4V.

Manufacturer Code(4)

Device Code(4)

Manufacturer Code(4)

Device Code(4)

17

3466A–STKD–11/04

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