- 您現(xiàn)在的位置：買賣IC網(wǎng) > PDF目錄360428 > 74F189 (Fairchild Semiconductor Corporation) 64-Bit Random Access Memory with 3-STATE Outputs PDF資料下載
參數(shù)資料
| 型號(hào)： | 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(jī)存取存儲(chǔ)器態(tài)輸出 |
| 文件頁數(shù)： | 7/10頁 |
| 文件大?。?/td> | 81K |
| 代理商： | 74F189 |
Philips Semiconductors
Product specification
74F189A
64-bit TTL bipolar RAM, inverting (3-State)
1990 Feb 23
7
TEST CIRCUIT AND WAVEFORM
t
w
90%
V
M
10%
90%
V
M
10%
90%
V
M
10%
90%
V
M
10%
NEGATIVE
PULSE
POSITIVE
PULSE
t
w
AMP (V)
0V
0V
t
THL (
t
f
)
INPUT PULSE REQUIREMENTS
rep. rate
t
w
t
TLH
2.5ns
t
THL
2.5ns
1MHz
500ns
Input Pulse Definition
V
CC
family
74F
D.U.T.
PULSE
GENERATOR
R
L
C
L
R
T
V
IN
V
OUT
Test Circuit for Totem-Pole Outputs
DEFINITIONS:
R
L
=
Load resistor;
see AC ELECTRICAL CHARACTERISTICS for value.
Load capacitance includes jig and probe capacitance;
see AC ELECTRICAL CHARACTERISTICS for value.
Termination resistance should be equal to Z
OUT
of
pulse generators.
C
L
=
R
T
=
t
THL (
t
f
)
t
TLH (
t
r
)
t
TLH (
t
r
)
AMP (V)
amplitude
3.0V
1.5V
V
M
SF00006
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 |
發(fā)布緊急采購，3分鐘左右您將得到回復(fù)。