M87C257_06 datasheet(18/22 Pages) STMICROELECTRONICS

No de pièce	M87C257

Description	Address Latched 256 Kbit (32Kb x8) UV EPROM and OTP EPROM

PDF	22 Pages

Scroll/Zoom	100%

Fabricant	STMICROELECTRONICS [STMicroelectronics]

Site Internet	http://www.st.com

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18 / 22 page

Package mechanical

M87C257

18/22

Package mechanical

Figure 9.

FDIP28W - 28 pin Ceramic Frit-seal DIP, with window, package outline

Drawing is not to scale.

Table 12.

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

package mechanical data

Symbol

millimeters

inches

Typ

Min

Max

Typ

Min

Max

A5.72

0.225

0.51

1.40

0.020

0.055

3.91

4.57

0.154

0.180

3.89

4.50

0.153

0.177

0.41

0.56

0.016

0.022

1.45

–

0.057

–

0.23

0.30

0.009

0.012

36.50

37.34

1.437

1.470

33.02–

–1.300

–

15.24

–

0.600

–

13.06

13.36

0.514

0.526

e2.54–

–

0.100

–

14.99

–

0.590

–

16.18

18.03

0.637

0.710

3.18

4.10

0.125

0.161

4°

11°

4°

11°

1.52

2.49

0.060

0.098

Ø7.11

–

0.280

–

N28

FDIPW-a

∅

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