at27bv400 ATMEL Corporation, at27bv400 Datasheet - Page 11

• Manufacturer Part Number: at27bv400
• Description: 4-megabit 256k 512k Unregulated Battery-voltage High Speed Eprom
• Manufacturer: ATMEL Corporation

Packaging Information
.032(.813)
.026(.660)
.050(1.27) TYP
44R, 44-Lead, 0.450" Wide,
Plastic Gull Wing Small Outline Package (SOIC)
Dimensions in Inches and (Millimeters)
44J, 44-Lead, Plastic J-Leaded Chip Carrier (PLCC)
Dimensions in Inches and (Millimeters)
JEDEC STANDARD MS-018 AC
.045(1.14) X 45°
PIN NO. 1
IDENTIFY
.500(12.7) REF SQ
.656(16.7)
.650(16.5)
.022(.559) X 45° MAX (3X)
.695(17.7)
.685(17.4)
.045(1.14) X 30° - 45°
SQ
SQ
.021(.533)
.013(.330)
.180(4.57)
.165(4.19)
.120(3.05)
.090(2.29)
.043(1.09)
.020(.508)
.012(.305)
.008(.203)
.630(16.0)
.590(15.0)
48T, 48-Lead, 12 x 20 mm,
Plastic Thin Small Outline Package(TSOP)
Dimensions in Millimeters and (Inches)*
*Controlling dimension: millimeters
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