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54F189LL Datasheet(数据表) 5 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
部件型号  54F189LL
说明  64-Bit Random Access Memory with TRI-STATEE Outputs
下载  8 Pages
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制造商  NSC [National Semiconductor (TI)]
网页  http://www.national.com
标志 

   
 5 page
background image
Ordering Information
The device number is used to form part of a simplified purchasing code where the package type and temperature range are
defined as follows
74F
189
S
C
X
Temperature Range Family
Special Variations
74FeCommercial
X e Devices shipped in 13 reels
54FeMilitary
QB e Military grade with environmental
and burn-in processing shipped
Device Type
in tubes
Package Code
Temperature Range
P e Plastic DIP
CeCommercial (0 Cto a70 C)
D e Ceramic DIP
LeMilitary (b40 Cto a125 C)
F e Flatpak
L e Leadless Ceramic Chip Carrier (LCC)
S e Small Outline SOIC JEDEC
SJ e Small Outline SOIC EIAJ
Physical Dimensions inches (millimeters)
20-Lead Ceramic Leadless Chip Carrier (L)
NS Package Number E20A
5




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