M27C322 View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

M27C322

32 Mbit (2Mb x16) UV EPROM and OTP EPROM

STMicroelectronics 

M27C322

Device operation

Table 2. Operating Modes(1)

Mode

E

Read

VIL

Output Disable

VIL

Program

VIL Pulse

Program Inhibit

VIH

Standby

VIH

Electronic Signature

VIL

1. X = VIH or VIL, VID = 12V ± 0.5V.

Table 3. Electronic Signature(1)

Identifier

A0 Q7 Q6 Q5

Manufacturer’s

Code

VIL

0

0

1

Device Code

VIH

0

0

1

1. Outputs Q15-Q8 are set to '0'.

GVPP

VIL

VIH

VPP

VPP

X

VIL

Q4 Q3

0

0

1

0

A9

X

X

X

X

X

VID

Q2 Q1

0

0

1

0

Q15-Q0

Data Out

Hi-Z

Data In

Hi-Z

Hi-Z

Codes

Q0 Hex Data

0

20h

0

34h

11/24

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