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參數(shù)資料
| 型號(hào)： | 74F219 |
| 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） |
| 文件頁數(shù)： | 1/8頁 |
| 文件大小： | 164K |
| 代理商： | 74F219 |
TL/F/9500
5
November 1994
54F/74F219
64-Bit Random Access Memory with TRI-STATE
é
Outputs
General Description
The ’F219 is a high-speed 64-bit RAM organized as a
16-word by 4-bit array. Address inputs are buffered to mini-
mize loading and are fully decoded on-chip. The outputs are
TRI-STATE and are in the high-impedance state whenever
the Chip Select (CS) input is HIGH. The outputs are active
only in the Read mode. This device is similar to the ’F189
but features non-inverting, rather than inverting, data out-
puts.
Features
Y
TRI-STATE outputs for data bus applications
Y
Buffered inputs minimize loading
Y
Address decoding on-chip
Y
Diode clamped inputs minimize ringing
Y
Available in SOIC (300 mil only)
Commercial
Military
Package
Number
Package Description
74F219PC
N16E
16-Lead (0.300
×
Wide) Molded Dual-In-Line
54F219DL (Note 2)
J16A
16-Lead Ceramic Dual-In-Line
74F219SC (Note 1)
M16B
16-Lead (0.300
×
Wide) Molded Small Outline, JEDEC
16-Lead (0.300
×
Wide) Molded Small Outline, EIAJ
74F219SJ (Note 1)
M16D
54F219FL (Note 2)
W16A
16-Lead Cerpack
54F219LL (Note 2)
E20A
20-Lead Ceramic Leadless Chip Carrier, Type C
Note 1:
Devices also available in 13
×
reel. Use suffix
e
SCX and SJX.
Note 2:
Military grade device with environmental and burn-in processing. Use suffix
e
DLQB, FLQB and LLQB.
Logic Symbol
TL/F/9500–1
Connection Diagrams
Pin Assignment for
DIP, SOIC and Flatpak
TL/F/9500–2
Pin Assignment
for LCC
TL/F/9500–3
TRI-STATE
é
is a registered trademark of National Semiconductor Corporation.
C
1995 National Semiconductor Corporation
RRD-B30M105/Printed in U. S. A.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| 74F219PC | ADAPTERS, COAX; N FEMALE TO TNC FEMALE BULKHEAD COAXIAL ADAPTER |
| 74F219SC | 64-Bit Random Access Memory with TRI-STATEE Outputs |
| 74F219SJ | 64-Bit Random Access Memory with TRI-STATEE Outputs |
| 74F219 | 64-Bit Random Access Memory with 3-STATE Outputs |
| 74F219PC | 64-Bit Random Access Memory with 3-STATE Outputs |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 74F219A | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:64-bit TTL bipolar RAM, non-inverting 3-State |
| 74F219PC | 功能描述:RAM其它 64-Bit Ran Acces Mem RoHS:否 制造商:Freescale Semiconductor 封裝:Tray |
| 74F219PC WAF | 制造商:Fairchild Semiconductor Corporation 功能描述: |
| 74F219SC | 功能描述:RAM其它 64-Bit Ran Acces Mem RoHS:否 制造商:Freescale Semiconductor 封裝:Tray |
| 74F219SCX | 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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