74FST3383
10-Bit Low Power
Bus Exchange
The ON Semiconductor 74FST3383 is a 10–bit low power bus
exchange. The device is CMOS TTL compatible when operating
between 4 and 5.5 Volts. The device exhibits extremely low R and
adds nearly zero propagation delay. The device adds no noise or
ground bounce to the system.
ON
http://onsemi.com
MARKING
• R t 4 W Typical
ON
DIAGRAMS
• Less Than 0.25 ns–Max Delay Through Switch
• Nearly Zero Standby Current
• No Circuit Bounce
• Control Inputs are TTL/CMOS Compatible
• Pin–For–Pin Compatible With QS3383, FST3383, CBT3383
• All Popular Packages: SOIC–24, TSSOP–24, QSOP–24
24
1
24
FST3383
AWLYWW
1
SO–24
DW SUFFIX
CASE 751E
24
OE
V
1
2
3
4
5
6
7
8
9
24
23
24
CC
FST
3383
ALYW
C
D
B
0
4
A
0
22
21
20
19
18
17
16
15
14
13
4
4
1
B
0
A
TSSOP–24
DT SUFFIX
CASE 948H
1
D
C
D
B
0
4
3
C
1
A
1
3
3
B
1
A
D
C
D
B
1
3
2
24
C
10
11
12
2
24
A
2
2
FST3383
AWLYYWW
GND
BX
1
QSOP–24
QS SUFFIX
CASE 492B
Figure 1. 24–Lead Pinout
1
TRUTH TABLE
A –A
B –B
4
Function
Disconnect
Connect
A
= Assembly Location
OE
H
BX
0
4
0
L, WL = Wafer Lot
Y, YY = Year
W, WW = Work Week
HIGH–Z State
C –C
HIGH–Z State
D –D
X
L
L
0
4
4
0
4
4
D –D
0
C –C
0
Exchange
L
H
NOTE: H = HIGH Voltage Level, L = LOW Voltage Level, X = Don’t Care
ORDERING INFORMATION
Device
Package
Shipping
74FST3383DW
74FST3383DWR2
74FST3383DT
SO–24
SO–24
48 Units/Rail
2500 Units/Reel
96 Units/Rail
PIN NAMES
TSSOP–24
Pin
Description
74FST3383DTR2 TSSOP–24 2500 Units/Reel
OE
BX
Bus Switch Enable
74FST3383QS
QSOP–24
QSOP–24
96 Units/Rail
74FST3383QSR
2500 Units/Reel
Bus Exchange
Buses A, B
A –A , B –B
0 4
4
0
C –C , D –D
4
Buses C, D
0
4
0
Semiconductor Components Industries, LLC, 2002
1
Publication Order Number:
May, 2002 – Rev. 4
74FST3383/D