AM27C256-120DCB AMD [Advanced Micro Devices], AM27C256-120DCB Datasheet - Page 12

• Manufacturer Part Number: AM27C256-120DCB
• Description: 256 Kilobit (32 K x 8-Bit) CMOS EPRO
• Manufacturer: AMD [Advanced Micro Devices]

PHYSICAL DIMENSIONS
PL 032—32-Pin Plastic Leaded Chip Carrier (measured in inches)
l
REVISION SUMMARY FOR AM27C256
Revision I
Global
Changed formatting to match current data sheets.
Distinctive Characteristics
Fast access time: Changed “Speed options as fast as
55 ns” to “Speed options as fast as 45 ns”.
Product Selector Guide
Added the -45 speed option.
Trademarks
Copyright © 1998 Advanced Micro Devices, Inc. All rights reserved.
AMD, the AMD logo, and combinations thereof are trademarks of Advanced Micro Devices, Inc.
Flashrite is a trademark of Advanced Micro Devices, Inc.
Product names used in this publication are for identification purposes only and may be trademarks of their respective companies.
12
.585
.595
.547
.553
.026
.032
Pin 1 I.D.
.447
.453
TOP VIEW
.485
.495
.050 REF.
SEATING
PLANE
Am27C256
.125
.140
.080
.095
Ordering Information
UV EPROM Products: Added the AM27C256-45 Valid
Combination.
Test Conditions
Table 1. Test Specifications: Added the -45 speed op-
tion.
AC Characteristics
Added the -45 speed option.
.009
.015
.013
.021
SIDE VIEW
REF.
.400
.490
.530
16-038FPO-5
PL 032
DA79
6-28-94 ae
.042
.056