74FST3384
10-Bit Low Power
Bus Switch
The ON Semiconductor 74FST3384 is a 10–bit low power bus
switch. The device is CMOS TTL compatible when operating between
4 and 5.5 Volts. The device exhibits extremely low R
nearly zero propagation delay. The device adds no noise or ground
bounce to the system.
and adds
ON
http://onsemi.com
• R
t 4 W Typical
ON
MARKING
DIAGRAMS
• Less Than 0.25 ns–Max Delay Through Switch
• Nearly Zero Standby Current
24
1
• No Circuit Bounce
24
FST3384
AWLYWW
• Control Inputs are TTL/CMOS Compatible
• Pin–For–Pin Compatible With QS3384, FST3384, CBT3384
• All Popular Packages: QSOP–24, TSSOP–24, SOIC–24
1
SO–24
D SUFFIX
CASE 751E
OE
B
A
A
B
B
A
A
B
V
1
2
3
4
5
6
7
8
9
24
23
24
1
0
0
1
1
2
2
3
3
4
4
CC
24
B
9
A
9
A
8
B
8
B
7
A
7
A
6
B
6
B
5
A
5
FST
3384
ALYW
22
21
20
19
18
17
16
15
14
13
1
TSSOP–24
DT SUFFIX
CASE 948H
1
B
A
GND
10
11
12
24
1
24
OE
FST3384
AWLYYWW
2
1
Figure 1. 24–Lead Pinout
QSOP–24
QS SUFFIX
CASE 492B
A
= Assembly Location
B –B
B –B
5 9
Function
Connect
OE
L
OE
L
0
4
1
2
L, WL = Wafer Lot
Y, YY = Year
W, WW = Work Week
A
A
A
A –A
5 9
0– 4
A
0– 4
HIGH–Z State
A –A
Connect
L
H
HIGH–Z State
HIGH–Z State
Connect
H
L
5
9
HIGH–Z State
Disconnect
H
H
ORDERING INFORMATION
NOTE: H = HIGH Voltage Level, L = LOW Voltage Level
Device
Package
Shipping
Figure 2. Truth Table
74FST3384D
SO–24
SO–24
48 Units/Rail
2500 Units/Reel
96 Units/Rail
74FST3384DR2
74FST3384DT
TSSOP–24
PIN NAMES
74FST3384DTR2 TSSOP–24 2500 Units/Reel
Pin
Description
74FST3384QS
QSOP–24
QSOP–24
96 Units/Rail
OE , OE
Bus Switch Enable
1
2
74FST3384QSR
2500 Units/Reel
A –A
Bus A
Bus B
0
9
B –B
0
9
Semiconductor Components Industries, LLC, 2002
1
Publication Order Number:
February, 2002 – Rev. 2
74FST3384/D