M27W400-100K6 datasheet, PDF - EEWORLD Datasheet

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M27W400-100K6: Description512KX8 OTPROM, 100ns, PQCC44, PLASTIC, LCC-44; Categorystorage storage; File Size140KB，15 Pages; ManufacturerSTMicroelectronics; Websitehttp://www.st.com/

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M27W400-100K6 Overview

512KX8 OTPROM, 100ns, PQCC44, PLASTIC, LCC-44

M27W400-100K6 Parametric

Parameter Name	Attribute value
Is it Rohs certified?	incompatible
Maker	STMicroelectronics
Parts packaging code	LCC
package instruction	PLASTIC, LCC-44
Contacts	44
Reach Compliance Code	not_compliant
ECCN code	EAR99
Maximum access time	100 ns
Spare memory width	16
I/O type	COMMON
JESD-30 code	S-PQCC-J44
JESD-609 code	e0
length	16.5862 mm
memory density	4194304 bit
Memory IC Type	OTP ROM
memory width	8
Number of functions	1
Number of terminals	44
word count	524288 words
character code	512000
Operating mode	ASYNCHRONOUS
Maximum operating temperature	85 °C
Minimum operating temperature	-40 °C
organize	512KX8
Output characteristics	3-STATE
Package body material	PLASTIC/EPOXY
encapsulated code	QCCJ
Encapsulate equivalent code	LDCC44,.7SQ
Package shape	SQUARE
Package form	CHIP CARRIER
Parallel/Serial	PARALLEL
Peak Reflow Temperature (Celsius)	NOT SPECIFIED
power supply	3/3.3 V
Certification status	Not Qualified
Maximum seat height	4.7 mm
Maximum standby current	0.000015 A
Maximum slew rate	0.02 mA
Maximum supply voltage (Vsup)	3.96 V
Minimum supply voltage (Vsup)	2.43 V
surface mount	YES
technology	CMOS
Temperature level	INDUSTRIAL
Terminal surface	Tin/Lead (Sn/Pb)
Terminal form	J BEND
Terminal pitch	1.27 mm
Terminal location	QUAD
Maximum time at peak reflow temperature	NOT SPECIFIED
width	16.5862 mm

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M27W400

4 Mbit (512Kb x8 or 256Kb x16)

Low Voltage UV EPROM and OTP EPROM

2.7 to 3.6V LOW VOLTAGE in READ

OPERATION

READ ACCESS TIME:

– 80ns at V

= 3.0 to 3.6V

– 100ns at V

= 2.7 to 3.6V

BYTE-WIDE or WORD-WIDE

CONFIGURABLE

4 Mbit MASK ROM REPLACEMENT

LOW POWER CONSUMPTION

– Active Current 20mA at 8MHz

– Stand-by Current 15µA

FDIP40W (F)

PDIP40 (B)

PROGRAMMING VOLTAGE: 12.5V ± 0.25V

PROGRAMMING TIME: 50µs/word

ELECTRONIC SIGNATURE

– Manufacturer Code: 20h

– Device Code: B8h

Figure 1. Logic Diagram

PLCC44 (K)

DESCRIPTION

The M27W400 is a low voltage 4 Mbit EPROM of-

fered in the two range UV (Ultra Violet Erase) and

OTP (one time programmable). It is ideally suited

for microprocessor systems requiring large data or

program storage. It is organised as either 512

Kwords of 8 bit or 256 Kwords of 16 bit. The pin-

out is compatible with the most common 4 Mbit

Mask ROM.

The M27W400 operates in the read mode with a

supply voltage as low as 2.7V at –40 to 85°C tem-

perature range. The decrease in operating power

allows either a reduction of the size of the battery

or an increase in the time between battery re-

charges.

The FDIP40W (window ceramic frit-seal package)

has a transparent lid which allows the user to ex-

pose the chip to ultraviolet light to erase the bit pat-

tern. A new pattern can then be written to the

device by following the programming procedure.

For application where the content is programmed

only one time and erasure is not required, the

M27W400 is offered in PDIP40 and PLCC44 pack-

ages.

VCC

A0-A17

Q15A–1

Q0-Q14

BYTEVPP

M27W400

VSS

AI03096

January 2000

1/15

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