54F399DMQB 查看數據表（PDF） - National ->Texas Instruments
| 零件编号 | 产品描述 (功能) | 生产厂家 |
| 54F399DMQB | Quad 2-Port Register |  National ->Texas Instruments  |
54F399DMQB Datasheet PDF : 10 Pages
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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 398 399 S C X
Temperature Range Family
74F e Commercial
54F e Military
Device Type
Package Code
P e Plastic DIP
D e Ceramic DIP
F e Flatpak
L e Leadless Chip Carrier (LCC)
S e Small Outline SOIC JEDEC
SJ e Small Outline SOIC EIAJ (74F399 only)
Special Variations
QB e Military grade device with
environmental and burn-in
processing
X e Devices shipped in 13 reel
Temperature Range
C e Commercial (0 C to a70 C)
M e Military (b55 C to a125 C)
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