A29L400UV-90 Datasheet PDF ( Pinout ) - 512K X 8 Bit / 256K X 16 Bit CMOS 3.0

A29L400UV-90 Datasheet PDF - AMIC Technology

Part Number	*A29L400UV-90*
Description	512K X 8 Bit / 256K X 16 Bit CMOS 3.0 Volt-only/ Boot Sector Flash Memory
Manufacturers	AMIC Technology
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A29L400 Series

Preliminary

512K X 8 Bit / 256K X 16 Bit CMOS 3.0 Volt-only,

Boot Sector Flash Memory

Features

n Single power supply operation

- Full voltage range: 2.7 to 3.6 volt read and write

operations for battery-powered applications

- Regulated voltage range: 3.0 to 3.6 volt read and write

operations for compatibility with high performance 3.3

volt microprocessors

n Access times:

- 70/90 (max.)

n Current:

- 4 mA typical active read current

- 20 mA typical program/erase current

- 200 nA typical CMOS standby

- 200 nA Automatic Sleep Mode current

n Flexible sector architecture

- 16 Kbyte/ 8 KbyteX2/ 32 Kbyte/ 64 KbyteX7 sectors

- 8 Kword/ 4 KwordX2/ 16 Kword/ 32 KwordX7 sectors

- Any combination of sectors can be erased

- Supports full chip erase

- Sector protection:

A hardware method of protecting sectors to prevent

any inadvertent program or erase operations within

that sector. Temporary Sector Unprotect feature

allows code changes in previously locked sectors

n Extended operating temperature range: -45°C ~ +85°C

for –U series

n Unlock Bypass Program Command

- Reduces overall programming time when issuing

multiple program command sequence

n Top or bottom boot block configurations available

n Embedded Algorithms

- Embedded Erase algorithm will automatically erase

the entire chip or any combination of designated

sectors and verify the erased sectors

- Embedded Program algorithm automatically writes

and verifies data at specified addresses

n Typical 100,000 program/erase cycles per sector

n 20-year data retention at 125°C

- Reliable operation for the life of the system

n Compatible with JEDEC-standards

- Pinout and software compatible with single-power-

supply Flash memory standard

- Superior inadvertent write protection

n Data Polling and toggle bits

- Provides a software method of detecting completion

of program or erase operations

n Ready / BUSY pin (RY / BY )

- Provides a hardware method of detecting completion

of program or erase operations (not available on 44-

pin SOP)

n Erase Suspend/Erase Resume

- Suspends a sector erase operation to read data from,

or program data to, a non-erasing sector, then

resumes the erase operation

n Hardware reset pin (RESET )

- Hardware method to reset the device to reading array

data

n Package options

- 44-pin SOP or 48-pin TSOP (I) or 48-ball TFBGA

PRELIMINARY (October, 2002, Version 0.2)

AMIC Technology, Inc.

A29L400 Series

Absolute Maximum Ratings*

Storage Temperature Plastic Packages . . . . . . . . . . . . . . .

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .0°C to + 70°C

. . . . . . . . . . . . . . . . . . . . . . for -U series: -45°C to +85°C

Ambient Temperature with Power Applied . . . . . . . . . . . . .

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0°C to + 70°C

. . . . . . . . . . . . . . . . . . . . . . for -U series: -45°C to +85°C

Voltage with Respect to Ground

VCC (Note 1) . . . . . . . . . . . . . . . . . . . . . . . -0.5V to +4.0V

A9, OE & RESET (Note 2) . . . . . . . . . . . . -0.5 to +12.5V

All other pins (Note 1) . . . . . . . . . . . . -0.5V to VCC + 0.5V

Output Short Circuit Current (Note 3) . . . . . . . . . 200mA

Notes:

1. Minimum DC voltage on input or I/O pins is -0.5V. During

voltage transitions, input or I/O pins may undershoot

VSS to -2.0V for periods of up to 20ns. Maximum DC

voltage on input and I/O pins is VCC +0.5V. During

voltage transitions, input or I/O pins may overshoot to

VCC +2.0V for periods up to 20ns.

2. Minimum DC input voltage on A9, OE and RESET is -

0.5V. During voltage transitions, A9, OE and RESET

may overshoot VSS to -2.0V for periods of up to 20ns.

Maximum DC input voltage on A9 is +12.5V which may

overshoot to 14.0V for periods up to 20ns.

3. No more than one output is shorted at a time. Duration

of the short circuit should not be greater than one

second.

*Comments

Stresses above those listed under "Absolute Maximum

Ratings" may cause permanent damage to this device.

These are stress ratings only. Functional operation of

this device at these or any other conditions above

those indicated in the operational sections of these

specification is not implied or intended. Exposure to

the absolute maximum rating conditions for extended

periods may affect device reliability.

Operating Ranges

Commercial (C) Devices

Ambient Temperature (TA) . . . . . . . . . . . . . . 0°C to +70°C

Extended Range Devices

Ambient Temperature (TA) . . . . . . . . . . . . -45°C to +85°C

VCC Supply Voltages

VCC for all devices . . . . . . . . . . . . . . . . . . +2.7V to +3.6V

Operating ranges define those limits between which the

functionally of the device is guaranteed.

Device Bus Operations

This section describes the requirements and use of the

device bus operations, which are initiated through the

internal command register. The command register itself

does not occupy any addressable memory location. The

along with the address and data information needed to

execute the command. The contents of the register serve

as inputs to the internal state machine. The state machine

outputs dictate the function of the device. The appropriate

device bus operations table lists the inputs and control

levels required, and the resulting output. The following

subsections describe each of these operations in further

detail.

Table 1. A29L400 Device Bus Operations

Operation

CE OE WE RESET

A0 – A17

(Note 1)

I/O0 - I/O7

I/O8 - I/O15

BYTE =VIH BYTE =VIL

Read

AIN

DOUT

I/O8~I/O4=High-Z

I/O15=A-1

Write

L HL H

AIN

DIN DIN

High-Z

CMOS Standby

VCC ± 0.3 V X X VCC ± 0.3 V

High-Z

Output Disable

L HH H

High-Z

Hardware Reset

X XX L

High-Z

Sector Protect

(See Note 2)

VID

Sector Address,

DIN

A6=L, A1=H, A0=L

Sector Unprotect

(See Note 2)

VID

Sector Address,

DIN

A6=H, A1=H, A0=L

Temporary Sector

Unprotect

VID

AIN DIN DIN

Legend:

L = Logic Low = VIL, H = Logic High = VIH, VID = 12.0 ± 0.5V, X = Don't Care, DIN = Data In, DOUT = Data Out, AIN = Address In

Notes:

1. Addresses are A17:A0 in word mode (BYTE=VIH), A17: A-1 in byte mode (BYTE=VIL).

2. See the “Sector Protection/Unprotection” section and Temporary Sector Unprotect for more information.

PRELIMINARY (October, 2002, Version 0.2)

AMIC Technology, Inc.

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A29L400UV-90 Datasheet PDF - AMIC Technology

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