M27C256B-90F6 Datasheet M27C256B-15C1, M27C256B-15B1, M27C256B-70XF1 | P13-P15

13/16

M27C256B

Table 14. PDIP28 - 28 pin Plastic DIP, 600 mils width, Package Mechanical Data

Symbol

millimeters inches

Typ Min Max Typ Min Max

A 4.445 0.1750

A1 0.630 0.0248

A2 3.810 3.050 4.570 0.1500 0.1201 0.1799

B 0.450 0.0177

B1 1.270 0.0500

C 0.230 0.310 0.0091 0.0122

D 36.830 36.580 37.080 1.4500 1.4402 1.4598

D2 33.020 – – 1.3000 – –

E 15.240 0.6000

E1 13.720 12.700 14.480 0.5402 0.5000 0.5701

e1 2.540 – – 0.1000 – –

eA 15.000 14.800 15.200 0.5906 0.5827 0.5984

eB 15.200 16.680 0.5984 0.6567

L 3.300 0.1299

S 1.78 2.08 0.070 0.082

α 0° 10° 0° 10°

N28 28

Figure 9. PDIP28 - 28 pin Plastic DIP, 600 mils width, Package Outline

Drawing is not to scale.

PDIP

B1 B e1

E1 E

M27C256B

14/16

Table 15. PLCC32 - 32 lead Plastic Leaded Chip Carrier, Package Mechanical Data

Symbol

millimeters inches

Typ Min Max Typ Min Max

A 3.18 3.56 0.125 0.140

A1 1.53 2.41 0.060 0.095

A2 0.38 – 0.015 –

B 0.33 0.53 0.013 0.021

B1 0.66 0.81 0.026 0.032

CP 0.10 0.004

D 12.32 12.57 0.485 0.495

D1 11.35 11.51 0.447 0.453

D2 4.78 5.66 0.188 0.223

D3 7.62 – – 0.300 – –

E 14.86 15.11 0.585 0.595

E1 13.89 14.05 0.547 0.553

E2 6.05 6.93 0.238 0.273

E3 10.16 – – 0.400 – –

e 1.27 – – 0.050 – –

F 0.00 0.13 0.000 0.005

R 0.89 – – 0.035 – –

N32 32

Figure 10. PLCC32 - 32 lead Plastic Leaded Chip Carrier, Package Outline

Drawing is not to scale.

PLCC-A

E1 E

1 N

0.51 (.020)

1.14 (.045)

D2 D2

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M27C256B

Figure 11. TSOP28 - 28 lead Plastic Thin Small Outline, 8 x 13.4 mm, Package Outline

Drawing is not to scale

TSOP-a

N/2

DIE

LA1 α

Table 16. TSOP28 - 28 lead Plastic Thin Small Outline, 8 x 13.4 mm, Package Mechanical Data

millimeters inches

Symbol Typ Min Max Typ Min Max

A 1.250 0.0492

A1 0.200 0.0079

A2 0.950 1.150 0.0374 0.0453

B 0.170 0.270 0.0067 0.0106

C 0.100 0.210 0.0039 0.0083

CP 0.100 0.0039

D 13.200 13.600 0.5197 0.5354

D1 11.700 11.900 0.4606 0.4685

e 0.550 – – 0.0217 – –

E 7.900 8.100 0.3110 0.3189

L 0.500 0.700 0.0197 0.0276

α 0° 5° 0° 5°

N28 28

P1-P3 P4-P6 P7-P9 P10-P12 P13-P15 P16-P16

M27C256B-90F6

Mfr. #:

Buy M27C256B-90F6

Manufacturer:

STMicroelectronics

Description:

EPROM 256K (32KX8) 90ns UV programmable

Lifecycle:

New from this manufacturer.

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M27C256B-90F6

M27C256B-90F6

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