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M87C257-90C1

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M87C257 Package mechanical
19/22
Figure 10. PLCC32 - 32 pin Rectangular Plastic Leaded Chip Carrier, package
outline
1. Drawing is not to scale.
Table 13. PLCC32 - 32 pin Rectangular 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
PLCC-A
D
E3
E1 E
1 N
D1
D3
CP
B
E2
e
B1
A1
A
R
0.51 (.020)
1.14 (.045)
F
A2
E2
D2 D2
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Part numbering M87C257
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6 Part numbering
For a list of available options (Speed, Package, etc...) or for further information on any
aspect of this device, please contact the STMicroelectronics Sales Office nearest to you.
Table 14. Ordering information scheme
Example: M87C257 -70 X C 1 X
Device Type
M87
Supply Voltage
C = 5V
Device Function
257 = 256 Kbit (32Kb x 8)
Speed
-45
(1)
= 45 ns
1. High Speed, see AC Characteristics section for further information.
-60 = 60ns
-70 = 70 ns
-80 = 80 ns
-90 = 90 ns
-10 = 100 ns
-12 = 120 ns
-15 = 150 ns
-20 = 200 ns
V
CC
Tolerance
X = ± 5%
blank = ± 10%
Package
F = FDIP28W
C = PLCC32
Temperature Range
1 = 0 to 70 °C
3 = –40 to 125 °C
6 = –40 to 85 °C
Options
TR = Tape & Reel Packing
Obsolete Product(s) - Obsolete Product(s)
Obsolete Product(s) - Obsolete Product(s)
M87C257 Revision history
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7 Revision history
Table 15. Document revision history
Date Revision Changes
01-Jun-1996 1 Initial release.
23-May-2006 2
Document converted to new template (sections added, information
moved).
Packages are ECOPACK® compliant. Package specifications
updated (see Section 5: Package mechanical).
X option removed from Table 15: Document revision history.
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M87C257-90C1

Mfr. #:
Buy M87C257-90C1
Manufacturer:
STMicroelectronics
Description:
EPROM 256K (32Kx8) 90ns
Lifecycle:
New from this manufacturer.
Delivery:
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