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參數(shù)資料
| 型號(hào)： | 74F189PC |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | SRAM |
| 英文描述： | 64-Bit Random Access Memory with TRI-STATEE Outputs |
| 中文描述： | 16 X 4 STANDARD SRAM, 27 ns, PDIP16 |
| 封裝： | 0.300 INCH, PLASTIC, DIP-16 |
| 文件頁(yè)數(shù)： | 6/10頁(yè) |
| 文件大?。?/td> | 81K |
| 代理商： | 74F189PC |
Philips Semiconductors
Product specification
74F189A
64-bit TTL bipolar RAM, inverting (3-State)
1990 Feb 23
6
V
M
V
M
Qn
CE
t
PZH
t
PZL
NOTE:
For all waveforms, V
M
= 1.5V.
SF00304
Waveform 2. Read cycle, chip enable access time
V
M
V
M
Qn
CE
t
PHZ
t
PLZ
NOTE:
For all waveforms, V
M
= 1.5V.
SF00305
Waveform 3. Read cycle, chip disable time
AC WAVEFORMS FOR WRITE CYCLE
V
M
V
M
An
t
su
(H or L)
t
PZH
V
M
Qn
t
PHZ
t
PLZ
V
M
V
M
Dn
V
M
CE
V
M
V
M
V
M
WE
t
h
(H or L)
V
M
t
h
(H or L)
t
su
( L)
t
su
(H or L)
t
h
( L)
t
w
( L)
V
M
Hi–Z
t
PZL
NOTE:
For all waveforms, V
M
= 1.5V.
SF00306
Waveform 4. Write cycle
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| 74F189SC | 64-Bit Random Access Memory with TRI-STATEE Outputs |
| 74F189SJ | 64-Bit Random Access Memory with TRI-STATEE Outputs |
| 74F189 | 64-Bit Random Access Memory with 3-STATE Outputs |
| 74F189PC | 64-Bit Random Access Memory with 3-STATE Outputs |
| 74F189SC | 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 |
|---|---|
| 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 |
| 74F189SJ | 功能描述:RAM其它 64-Bit Ran Acces Mem RoHS:否 制造商:Freescale Semiconductor 封裝:Tray |
| 74F189SJX | 功能描述:RAM其它 RoHS:否 制造商:Freescale Semiconductor 封裝:Tray |
| 74F190 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Up/Down Decade Counter with Preset and Ripple Clock |
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