AT52BC3221AT View Datasheet(PDF) - Atmel Corporation

Part Name

Description

MFG CO.

AT52BC3221AT

32-Mbit Flash + 8-Mbit PSRAM Stack Memory

Atmel Corporation 

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AT52BC3221A(T)

Power Up

Sequence

Standby Mode

State Machines

1. Apply Power.

2. Maintain stable power for a minimum of 200 µs with PCS1 = VIH

Power On

PCS1 = VIH

Wait 200 µs

Initial State

PCS1 = VIH, Z Z = VIH

PCS1 = VIL, Z Z = VIH

PUB or/and PLB = VIL

Active

Mode

PCS1 = VlL

ZZ = VIH

PCS1 = VIH

(or/and PUB = PLB = VIH)

ZZ = VIH

PCS1 = VIH, ZZ = VIL

Standby Mode

Low Power

(Data Invalid)

PCS1 = VIH, ZZ = VIL

Standby Mode Characteristics

Mode

Memory Cell Data Standby Current (µA)

Standby

Valid

70 (ISB1)

Low Power Modes

Invalid

10 (ISB0)

Wait Time (µs)

0

200

29

3466A–STKD–11/04

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