M27W101-80K6 Datasheet M27W101-80N6TR, M27W101-80K6TR, M27W101-80N6 | P4-P6

List of figures M27W101

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List of figures

Figure 1. Logic diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Figure 2. DIP Connections. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Figure 3. LCC Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Figure 4. TSOP Connections. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Figure 5. Programming Flowchart . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Figure 6. AC Testing Input Output Waveform . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Figure 7. AC Testing Load Circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Figure 8. Read Mode AC Waveforms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

Figure 9. Programming and Verify Modes AC Waveforms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

Figure 10. FDIP32WA package outline . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

Figure 11. PDIP32 package outline . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

Figure 12. PLCC32 package outline . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

Figure 13. TSOP32 package outline . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

M27W101 Summary description

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1 Summary description

The M27W101 is a low voltage 1 Mbit EPROM offered in two range UV (ultra violet erase)

and OTP (one time programmable). It is ideally suited for microprocessor systems requiring

large data or program storage and is organized as 131,072 by 8 bits.

The M27W101 operates in the read mode with a supply voltage as low as 2.7V at –40° to

85° C temperature range.

The decrease in operating power allows either a reduction of the size of the battery or an

increase in the time between battery recharges.

The FDIP32W (window ceramic frit-seal package) has a transparent lid which allows the

user to expose the chip to ultraviolet light to erase the bit pattern. 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 M27W101 is offered in PDIP32, PLCC32 and TSOP32 (8 x 20 mm) packages.

In order to meet environmental requirements, ST offers the M27W101 in ECOPACK®

packages. ECOPACK packages are Lead-free. The category of second Level Interconnect

is marked on the package and on the inner box label, in compliance with JEDEC Standard

JESD97. The maximum ratings related to soldering conditions are also marked on the inner

box label.

ECOPACK is an ST trademark. ECOPACK® specifications are available at: www.st.com.

See Figure 1: Logic diagram and Table 1: Signal descriptions for a brief overview of the

signals connected to this device.

Figure 1. Logic diagram

AI01587

A0-A16

Q0-Q7

M27W101

Summary description M27W101

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Figure 2. DIP Connections

Table 1. Signal descriptions

Signal Description

A0-A16 Address Inputs

Q0-Q7 Data Outputs

Chip Enable

Output Enable

Program

Program Supply

Supply Voltage

Ground

NC Not Connected Internally

A13

A10

A14

A11

Q5Q1

Q3V

PA16

A12

A15

AI02674

M27W101

P1-P3 P4-P6 P7-P9 P10-P12 P13-P15 P16-P18 P19-P21 P22-P23

M27W101-80K6

Mfr. #:

Buy M27W101-80K6

Manufacturer:

STMicroelectronics

Description:

EPROM 1M (128Kx8) 80ns

Lifecycle:

New from this manufacturer.

Delivery:

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M27W101-80K6

M27W101-80K6

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