27C256TRPDB-12 MAXWELL [Maxwell Technologies], 27C256TRPDB-12 Datasheet

27C256TRPDB-12

Manufacturer Part Number

27C256TRPDB-12

Description

256K (32K x 8-Bit) OTP EPROM

Manufacturer

MAXWELL [Maxwell Technologies]

Datasheet

1.27C256TRPDB-12.pdf (14 pages)

Current page: 1 of 14
Download datasheet (127Kb)

• 32K x 8-bit OTP EPROM organization

• R

• Total dose hardness:

• Excellent Single Event Effects:

• Package:

• Fast access time:

• Low power dissipation:

• Programming power supply:

• One-time programmable

• Pin arrangement

(858) 503-3300 - Fax: (858) 503-3301 - www.maxwell.com

EATURES

- > 100 Krad (Si), depending upon space mission

-SEL

-SEU

-32 pin R

- 120, 150, 200 ns (max)

- Active mode: 100 mW/MHz (typ)

- Standby mode: 10 µ W (typ)

Page programming time: 14 sec (typ)

- V

- JEDEC standard byte-wide EPROM

- Flash memory and mask ROM compatible

radiation

-P

= 12.5 V

> 80 MeV/mg/cm2

® radiation-hardened against natural space

> 80 Mev/mg/cm2

-P

® flat pack

® DIP

27C256T

A12-A16

A12-A14

06.24.02 REV 4

A5-A9

I/O15

I/O 7

I/O0

PGM

Maxwell Technologies’ 27C256T high density 256-Kilobit one-

time programmable electrically programmable read only mem-

ory microcircuit features a greater than 100 krad (Si) total

dose tolerance, depending upon space mission. The 27C256T

features fast address times and low power dissipation. The

27C256T offers high speed programming using page pro-

gramming mode.

Maxwell Technologies' patented R

ogy incorporates radiation shielding in the microcircuit pack-

age. It eliminates the need for box shielding while providing

the required radiation shielding for a lifetime in orbit or space

mission. In a GEO orbit, R

krad (Si) radiation dose tolerance. This product is available

with screening up to Class S.

256K (32K x 8-Bit) OTP EPROM

ESCRIPTION

All data sheets are subject to change without notice

Logic Diagram

x-Decoder

Control

Input

Data

-P

® provides greater than 100

: High Threshhold Inverter

-P

A0-A4

Y - Decoder

Y- Gating

27C256T

Memory Matrix

1024 x 1022

® packaging technol-

A10-A11

Related parts for 27C256TRPDB-12

27C256TRPDB-12 Summary of contents

Page 1

... Page programming time: 14 sec (typ) • Programming power supply 12 • One-time programmable • Pin arrangement - JEDEC standard byte-wide EPROM - Flash memory and mask ROM compatible (858) 503-3300 - Fax: (858) 503-3301 - www.maxwell.com 256K (32K x 8-Bit) OTP EPROM A5-A9 x-Decoder A12-A14 A12-A16 I/O0 Input ...

Page 2

OTP EPROM T ABLE 12-5, 27, 26, 23, 25 13-15, 17- 27C256T A ABLE PARAMETER 1 Supply Voltage Programming Voltage ...

Page 3

OTP EPROM T 4. 27C256T R ABLE P ARAMETER Supply Voltage Input Voltage Operating Temperature Range 1. V min = -1.0V for pulse width < max = V + 1.5V for ...

Page 4

OTP EPROM T 7. 27C256T AC E ABLE ( 10 PARAMETER TEST CONDITION Address Access Time -120 -150 -200 Chip Enable Access Time OE = ...

Page 5

OTP EPROM T 8. 27C256T AC E ABLE LECTRICAL (V CC PARAMETER Address Setup Time Address Hold Time Data Setup Time Data Hold Time V Setup Time PP V Setup Time CC Output Enable Setup Time ...

Page 6

OTP EPROM over the specified maximum value, programming operation can not be guaranteed min = -0.6V for pulse width < ABLE M ODE Read Output ...

Page 7

Page 8

OTP EPROM F IGURE START SET PAGE PROG. MODE V =12.5+0.3V, V =6.0+ 0.25V PP CC Address=0 n=0 Latch Address+1 Address+1 Address Address Latch Address+1 Address B Latch Address+1 Address Latch AGE ...

Page 9

Page 10

OTP EPROM F IGURE Address+1 Address YTE ROGRAMMING LOWCHART START SET PROG./VERIFY MODE V =12.5+0.3V, V =6.0+0.25V PP CC Address=0 n=0 n+1 n Program t =1ms+5% PW NOGO VERIFY GO Program ...

Page 11

OTP EPROM IGURE EVICE DENTIFIER ODE ESCRIPTION The Device Identifier Mode allows binary codes to be read from the outputs that identify the manufacturer and the type of device. ...

Page 12

OTP EPROM YMBOL eA Standard Product Screening Flow MIL-STD-883, Method 2001, Constant Acceleration: For this package type Constant Acceleration ...

Page 13

OTP EPROM Important Notice: These data sheets are created using the chip manufacturers published specifications. Maxwell Technologies verifies functionality by testing key parameters either by 100% testing, sample testing or characterization. The specifications presented within these ...

Page 14

OTP EPROM Product Ordering Options Model Number 27C256T -XX Feature Option Details Access Time 12 = 120 150 200 ns Screening Flow Monolithic S = Maxwell Class ...

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