at52bc3221a ATMEL Corporation, at52bc3221a Datasheet - Page 29

• Manufacturer Part Number: at52bc3221a
• Description: 32-mbit Flash 8-mbit Psram Stack Memory
• Manufacturer: ATMEL Corporation

Power Up
Sequence
Standby Mode
State Machines
3466A–STKD–11/04
1. Apply Power.
2. Maintain stable power for a minimum of 200 µs with PCS1 = V
Standby Mode Characteristics
Low Power Modes
Standby Mode
Standby
Mode
PCS1 = V
Wait 200 µs
ZZ = V
IH
(or/and PUB = PLB = V
lL
Memory Cell Data
PCS1 = V
ZZ = V
PCS1 = V
Invalid
Valid
Power On
Initial State
IH
IH
Active
Mode
IH
IH
, ZZ = V
PCS1 = V
)
PCS1 = V
PUB or/and PLB = V
IL
IH
IL
, Z Z = V
Standby Current (µA)
IH
70 (ISB1)
10 (ISB0)
IL
PCS1 = V
PCS1 = V
IH
IH
IH
, Z Z = V
, ZZ = V
IH
IL
Wait Time (µs)
(Data Invalid)
Low Power
200
0
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