AT52BR1674T-85CI View Datasheet(PDF) - Atmel Corporation

Part Name

Description

Manufacturer

AT52BR1674T-85CI

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

Atmel Corporation 

AT52BR1672(T)/1674(T)

DC and AC Operating Range

Operating Temperature (Case)

VCC Power Supply

Industrial

AT52BR1672(T)-85

-40°C - 85°C

2.7V to 3.3V

AT52BR1674(T)-85

-40°C - 85°C

2.7V to 3.3V

Operating Modes

Mode

CE OE WE RESET

VPP

Ai

I/O

Read

VIL

VIL

VIH

VIH

Program/Erase(2)

VIL

VIH

VIL

VIH

Standby/Program Inhibit

VIH

X(1)

X

VIH

X

VPP(6)

X

Ai

DOUT

Ai

DIN

X

High-Z

Program Inhibit

X

X

VIH

VIH

X

X

VIL

X

VIH

X

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 - A19 = VIL, A9 = VH(3), A0 = VIL

A1 - A19 = VIL, A9 = VH(3), A0 = VIH

Manufacturer Code(4)

Device Code(4)

Software(5)

A0 = VIL, A1 - A19 = VIL

Manufacturer Code(4)

VIH

A0 = VIH, A1 - A19 = VIL

Device Code(4)

Notes: 1. X can be VIL or VIH.

2. Refer to AC programming waveforms on page 18.

3. VH = 12.0V ± 0.5V.

4. Manufacturer Code: 001FH. Device Code: 00C2H (Top Boot); 00C0H (Bottom Boot).

5. See details under “Software Product Identification Entry/Exit” on page 21.

6. VPP can be left unconnected or 0V ≤ VPP ≤ 3.3V. For faster erase/program operations, VPP can be set to 5.0V ± 0.5V or

12V ± 0.5V.

13

2604B–STKD–09/02

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