參數(shù)資料
型號: 74F189
廠商: Fairchild Semiconductor Corporation
英文描述: 64-Bit Random Access Memory with 3-STATE Outputs
中文描述: 64 - 3位隨機存取存儲器態(tài)輸出
文件頁數(shù): 6/10頁
文件大小: 81K
代理商: 74F189
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
74F189PC 64-Bit Random Access Memory with 3-STATE Outputs
74F189SC 64-Bit Random Access Memory with 3-STATE Outputs
74F189SJ 64-Bit Random Access Memory with 3-STATE Outputs
74F190DC Synchronous Up/Down Counter
74F191SCX 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: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: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