25C640 Microchip Technology, Inc., 25C640 Datasheet - Page 15

• Manufacturer Part Number: 25C640
• Description: The 25AA640 is a 64K-bit Serial Electrically Erasable Prom With Memory Accessed Via a Simple Serial Peripheral Interface (SPI™) Compatible Serial Bus
• Manufacturer: Microchip Technology, Inc.

8-Lead Plastic Dual In-line (P) – 300 mil (PDIP)
2001 Microchip Technology Inc.
Number of Pins
Pitch
Top to Seating Plane
Molded Package Thickness
Base to Seating Plane
Shoulder to Shoulder Width
Molded Package Width
Overall Length
Tip to Seating Plane
Lead Thickness
Upper Lead Width
Lower Lead Width
Overall Row Spacing
Mold Draft Angle Top
Mold Draft Angle Bottom
* Controlling Parameter
§ Significant Characteristic
Notes:
Dimensions D and E1 do not include mold flash or protrusions. Mold flash or protrusions shall not exceed
.010” (0.254mm) per side.
JEDEC Equivalent: MS-001
Drawing No. C04-018
n
eB
E1
E
Dimension Limits
§
Units
2
1
A2
E1
B1
eB
A1
D
n
p
A
E
L
B
c
c
D
MIN
.140
.115
.015
.300
.240
.360
.125
.008
.045
.014
.310
5
5
INCHES*
NOM
A
A1
.100
.155
.130
.313
.250
.012
.370
.373
.130
.058
.018
10
10
8
B1
B
25AA640/25LC640
MAX
.145
.325
.385
.135
.015
.170
.260
.070
.022
.430
15
15
MIN
3.56
2.92
0.38
7.62
6.10
9.14
3.18
0.20
1.14
0.36
7.87
5
5
MILLIMETERS
NOM
2.54
3.94
3.30
7.94
6.35
9.46
3.30
0.29
1.46
0.46
9.40
10
10
8
p
A2
DS21223E-page 15
MAX
10.92
L
4.32
3.68
8.26
6.60
9.78
3.43
0.38
1.78
0.56
15
15