M27C256B-80B6TR View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

M27C256B-80B6TR

256 Kbit (32Kb × 8) UV EPROM and OTP EPROM

STMicroelectronics 

M27C256B

5

Package mechanical

Package mechanical

Figure 9. FDIP28WB - 28 pin Ceramic Frit-seal DIP, with window, package outline

A2

A3 A

A1 L

B1

B

e

D2

α

C

eA

eB

D

S

t(s) N

∅

E1 E

c 1

rodu 1. Drawing is not to scale.

FDIPW-a

P Table 12. FDIP28WB - 28 pin Ceramic Frit-seal DIP, with window (round 0.280"),

te package mechanical data

sole Symbol

millimeters

Typ

Min

Max

inches

Typ

Min

Max

Ob A

5.72

0.225

- A1

0.51

1.40

0.020

0.055

t(s) A2

3.91

4.57

0.154

0.180

c A3

3.89

4.50

0.153

0.177

du B

0.41

0.56

0.016

0.022

ro B1

1.45

–

–

0.057

–

–

PC

0.23

0.30

0.009

0.012

teD

36.50

37.34

1.437

1.470

ole D2

33.02

–

–

1.300

–

–

sE

15.24

–

–

0.600

–

–

Ob E1

13.06

13.36

0.514

0.526

e

2.54

–

–

0.100

–

–

eA

14.99

–

–

0.590

–

–

eB

16.18

18.03

0.637

0.710

L

3.18

4.10

0.125

0.161

S

1.52

2.49

0.060

0.098

∅

7.11

–

–

0.280

–

–

α

4°

11°

4°

11°

N

28

28

19/24

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