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參數(shù)資料
| 型號(hào)： | 74F189 |
| 廠商： | National Semiconductor Corporation |
| 英文描述： | 64-Bit Random Access Memory with TRI-STATE Outputs(帶三態(tài)輸出的64位RAM) |
| 中文描述： | 64位隨機(jī)存取存儲(chǔ)器具有三態(tài)輸出（帶三態(tài)輸出的64位內(nèi)存） |
| 文件頁(yè)數(shù)： | 5/8頁(yè) |
| 文件大?。?/td> | 166K |
| 代理商： | 74F189 |
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
74F
e
Commercial
54F
e
Military
Special Variations
X
e
Devices shipped in 13
×
reels
QB
e
Military grade with environmental
and burn-in processing shipped
in tubes
Device Type
Package Code
P
e
Plastic DIP
D
e
Ceramic DIP
F
e
Flatpak
L
e
Leadless Ceramic Chip Carrier (LCC)
S
e
Small Outline SOIC JEDEC
SJ
e
Small Outline SOIC EIAJ
Temperature Range
C
e
Commercial (0
§
C to
a
70
§
C)
L
e
Military (
b
40
§
C to
a
125
§
C)
Physical Dimensions
inches (millimeters)
20-Lead Ceramic Leadless Chip Carrier (L)
NS Package Number E20A
5
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| 74F190 | Up/Down Decade Counter with Preset and Ripple Clock(帶可預(yù)置和脈動(dòng)時(shí)鐘的可逆十進(jìn)制計(jì)數(shù)器) |
| 74F190PC | Up/Down Decade Counter with Preset and Ripple Clock |
| 74F190SC | Up/Down Decade Counter with Preset and Ripple Clock |
| 74F190 | Up/Down Decade Counter with Preset and Ripple Clock |
| 74F190SCX | Synchronous Up/Down Counter |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 74F189A | 制造商:PHILIPS 制造商全稱(chēng):NXP Semiconductors 功能描述:64-bit TTL bipolar RAM, inverting 3-State |
| 74F189DC | 制造商:未知廠家 制造商全稱(chēng):未知廠家 功能描述:x4 SRAM |
| 74F189PC | 功能描述:RAM其它 64-Bit Ran Acces Mem RoHS:否 制造商:Freescale Semiconductor 封裝:Tray |
| 74F189SC | 功能描述:RAM其它 64-Bit Ran Acces Mem RoHS:否 制造商:Freescale Semiconductor 封裝:Tray |
| 74F189SCX | 功能描述:RAM其它 64-Bit Ran Acces Mem RoHS:否 制造商:Freescale Semiconductor 封裝:Tray |
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