AT52BR1672-85CI View Datasheet(PDF) - Atmel Corporation

Part Name

Description

MFG CO.

AT52BR1672-85CI

16-megabit Flash and 2-megabit/ 4-megabit SRAM Stack Memory

Atmel Corporation 

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Data Retention Electric Characteristic

TA = -40°C to 85°C

Symbol Parameter

Test Condition

Min

Typ(1)

Max

Unit

VDR

VCC for Data Retention

SCS1 > VCC - 0.2V or

SCS2 < VSS + 0.2V or

SUB, SLB > VCC - 0.2V

VIN > VCC - 0.2V or

VIN < VSS + 0.2V

1.2

3.3

V

ICCDR

Data Retention Current

Vcc=1.5V,

SCS1 > VCC - 0.2V or

SCS2 < VSS + 0.2V or

SUB, SLB > VCC - 0.2V

VIN > VCC - 0.2V or

VIN < VSS + 0.2V

SL

0.1

2

µA

LL

0.1

10

µA

tCDR

Chip Deselect to Data

Retention Time

See Data Retention Timing Diagram

0

ns

tR

Operating Recovery Time

tRC(2)

ns

Note: 1. Typical values are under the condition of TA = 25°C. Typical values are sampled and not 100% tested.

2. tRC is read cycle time.

Data Retention Timing Diagram 1

VCC

2.7V

DATA RETENTION MODE

tCDR

tR

IH

VDR

SCS1

VSS

SCS1 > VCC - 0.2V

Data Retention Timing Diagram 2

VCC

DATA RETENTION MODE

2.7V

tCDR

tR

SCS2

VDR

0.4V

VSS

SCS2 < 0.2V

36 AT52BR1672(T)/1674(T)

2604B–STKD–09/02

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