28C16A-15I/P Microchip Technology Inc., 28C16A-15I/P Datasheet

28C16A-15I/P

Manufacturer Part Number

28C16A-15I/P

Description

Manufacturer

Microchip Technology Inc.

Datasheet

1.28C16A-15IP.pdf (10 pages)

Available stocks

Company

Part Number

Manufacturer

Quantity

Price

Company:

Bonase Electronics (HK) Co., Limited

Part Number:

28C16A-15I/P

Manufacturer:

QTC

Quantity:

3 231

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Download datasheet (126Kb)

FEATURES

• Fast Read Access Time—150 ns

• CMOS Technology for Low Power Dissipation

• Fast Byte Write Time—200 s or 1 ms

• Data Retention >200 years

• High Endurance - Minimum 10

• Automatic Write Operation

• Data polling

• Chip Clear Operation

• Enhanced Data Protection

• Electronic Signature for Device Identification

• 5-Volt-Only Operation

• Organized 2Kx8 JEDEC Standard Pinout

• 24-pin Dual-In-Line Package

• 32-pin PLCC Package

• Available for Extended Temperature Ranges:

DESCRIPTION

The Microchip Technology Inc. 28C16A is a CMOS 16K

non-volatile electrically Erasable PROM. The 28C16A

is accessed like a static RAM for the read or write

cycles without the need of external components. Dur-

ing a “byte write”, the address and data are latched

internally, freeing the microprocessor address and data

bus for other operations. Following the initiation of

write cycle, the device will go to a busy state and auto-

matically clear and write the latched data using an

internal control timer. To determine when a write cycle

is complete, the 28C16A uses Data polling. Data poll-

ing allows the user to read the location last written to

when the write operation is complete. CMOS design

and processing enables this part to be used in systems

where reduced power consumption and reliability are

required. A complete family of packages is offered to

provide the utmost flexibility in applications.

- 30 mA Active

- 100 A Standby

- Internal Control Timer

- Auto-Clear Before Write Operation

- On-Chip Address and Data Latches

- V

- Pulse Filter

- Write Inhibit

- Commercial: 0°C to +70°C

- Industrial: -40°C to +85°C

2004 Microchip Technology Inc.

Detector

16K (2K x 8) CMOS EEPROM

Erase/Write Cycles

PACKAGE TYPES

BLOCK DIAGRAM

A10

I/O0

I/O1

I/O2

• Pin 1 indicator on PLCC on top of package

• 1

Obsolete Device

Auto Erase/Write

Program Voltage

Data Protection

Output Enable

Control Logic

Chip Enable/

Generation

Circuitry

Timing

Decoder

28C16A

Vcc

A10

I/O7

I/O6

I/O5

I/O4

I/O3

I/O0

Data

Poll

I/O0

Input/Output

Cell Matrix

DS11125J-page 1

Y Gating

16K bit

Buffers

I/O7

A10

I/O7

I/O6

Related parts for 28C16A-15I/P

28C16A-15I/P Summary of contents

Page 1

... Available for Extended Temperature Ranges: - Commercial: 0°C to +70°C - Industrial: -40°C to +85°C DESCRIPTION The Microchip Technology Inc. 28C16A is a CMOS 16K non-volatile electrically Erasable PROM. The 28C16A is accessed like a static RAM for the read or write cycles without the need of external components. Dur- ing a “ ...

Page 2

... ELECTRICAL CHARACTERISTICS 1.1 MAXIMUM RATINGS* V and input voltages w.r.t. V ....... -0. 6.25V CC SS Voltage on OE w.r.t. V ...................... -0.6V to +13.5V SS Voltage on A9 w.r.t. V ...................... -0.6V to +13.5V SS Output Voltage w.r.t. V .................-0. Storage temperature ..........................-65°C to +125°C Ambient temp. with power applied .......-50°C to +95°C *Notice: Stresses above those listed under “ ...

Page 3

... Address Valid t CE(2) t OE(2) t ACC - t after the falling edge of CE without impact 28C16A = 2.0V; Vol = 0.8V OH Units Conditions Max 250 250 100 — ns — cycles 25°C, Vcc = 5.0V, Block Mode (Note) t OFF(1, High Z Valid Output ...

Page 4

... OE Set-Up Time Data Valid Time Write Cycle Time (28C16A) Write Cycle Time (28C16AF) Note 1: A write cycle can be initiated going low, whichever occurs last. The data is latched on the pos- itive edge WE, whichever occurs first. 2: Data must be valid within 1000ns max. after a write cycle is initiated and must be stable at least until t after the positive edge CE, whichever occurs first ...

Page 5

... Mode CE Chip Clear V IL Extra Row Read V IL Extra Row Write * Note 12.0V 0.5V H 2004 Microchip Technology Inc WPH Pulsed per programming waveforms. 28C16A Last Written Address Valid ACC True Data Out I/O7 Out 10ms 12. Data Out Data DS11125J-page 5 ...

Page 6

... DS11125J-page 6 2.4 Write Mode The 28C16A has a write cycle similar to that of a Static RAM. The write cycle is completely self-timed and ini- tiated by a low going pulse on the WE pin. On the fall- ing edge of WE, the address information is latched. On ...

Page 7

... Product Identification System To order or to obtain information, e.g., on pricing or delivery, please use the listed part numbers, and refer to the factory or the listed sales offices. 28C16A F T – 2004 Microchip Technology Inc. Package Plastic Leaded Chip Carrier (PLCC Plastic DIP (600 mil) ...

Page 8

... NOTES: DS11125J-page 8 2004 Microchip Technology Inc. ...

Page 9

... Use of Microchip’s products as critical components in life support systems is not authorized except with express written approval by Microchip. No licenses are conveyed, implicitly or otherwise, under any intellectual property rights.  2004 Microchip Technology Inc. Trademarks The Microchip name and logo, the Microchip logo, Accuron, dsPIC ...

Page 10

... Via Salvatore Quasimodo, 12 20025 Legnano (MI) Milan, Italy Tel: 39-0331-742611 Fax: 39-0331-466781 Netherlands Waegenburghtplein 4 NL-5152 JR, Drunen, Netherlands Tel: 31-416-690399 Fax: 31-416-690340 United Kingdom 505 Eskdale Road Winnersh Triangle Wokingham Berkshire, England RG41 5TU Tel: 44-118-921-5869 Fax: 44-118-921-5820 07/12/04  2004 Microchip Technology Inc. ...

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