74FST3244PY IDT, Integrated Device Technology Inc, 74FST3244PY Datasheet

74FST3244PY

Manufacturer Part Number
74FST3244PY
Description
Manufacturer
IDT, Integrated Device Technology Inc
Datasheet
1.74FST3244PY.pdf (5 pages)

Specifications of 74FST3244PY

Logic Family
FST
Number Of Bits
8
Number Of Elements
2
Technology
CMOS
High Level Output Current
-128mA
Low Level Output Current
128mA
On Resistance
10Ohm
Propagation Delay Time
6.5ns
Package Type
SSOP
Operating Temp Range
-40C to 85C
Operating Temperature Classification
Industrial
Operating Supply Voltage (min)
4.75V
Operating Supply Voltage (typ)
5V
Operating Supply Voltage (max)
5.25V
Quiescent Current
3uA
Pin Count
20
Mounting
Surface Mount
Lead Free Status / Rohs Status
Not Compliant
1
2
2
2
2
2
IDT74FST3244
OCTAL BUS SWITCH
c
1
1
1
1
OE
OE
A
A
A
A
A
A
A
A
0
1
2
3
Bus switches provide zero delay paths
Low switch on-resistance
TTL-compatible input and output levels
ESD > 2000V per MIL-STD-883, Method 3015; > 200V using
machine model (C = 200pF, R = 0)
Hot insertion capability
Very low power dissipation
Available in QSOP, SOIC, SSOP, and TSSOP Packages
0
1
2
3
2001 Integrated Device Technology, Inc.
OCTAL BUS SWITCH
1
1
1
1
2
2
2
2
B
B
B
B
B
B
B
B
0
1
2
3
0
1
2
3
1
devices perform the function of connecting or isolating two ports without
providing any inherent current sink or source capability. Thus they
generate little or no noise of their own while providing a low resistance path
for an external driver. These devices connect input and output ports through
an n-channel FET. When the gate-to-source junction of this FET is
adequately forward-biased the device conducts or the resistance between
input and output ports is small. Without adequate bias on the gate-to-source
junction of the FET, the FET is turned off, therefore with no V
device has hot insertion capability.
and output ports reduces the delay in this path to close to zero.
provide output enable control for all 8 bits. This device is pin-compatible
with and functionally similar to the FCT244T.
The FST3244 belongs to IDT's family of Bus switches. Bus switch
The low on-resistance and simplicity of the connection between input
The FST3244 is an octal TTL-compatible bus switch. The OE pins
GND
1
1
2
1
2
1
2
1
2
OE
A
B
A
B
A
B
A
B
0
3
1
2
2
1
3
0
10
1
2
3
4
5
6
7
8
9
QSOP/ SOIC/ SSOP/ TSSOP
SO20-2
SO20-8
SO20-9
SO20-7
TOP VIEW
INDUSTRIAL TEMPERATURE RANGE
IDT74FST3244
20
19
18
17
16
15
14
13
12
11
Vcc
2
1
2
1
2
2
1
2
1
OE
B
A
B
A
A
B
A
B
CC
0
3
2
1
0
1
2
3
applied, the
DSC-5522/-

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74FST3244PY Summary of contents

Page 1

IDT74FST3244 OCTAL BUS SWITCH Bus switches provide zero delay paths Low switch on-resistance TTL-compatible input and output levels ESD > 2000V per MIL-STD-883, Method 3015; > 200V using machine model (C = 200pF Hot insertion capability Very ...

Page 2

IDT74FST3244 OCTAL BUS SWITCH Symbol Rating TERM (2) V Terminal Voltage with Respect to GND T Storage Temperature STG I Maximum Continuous Channel Current OUT NOTES: 1. Stresses greater than those listed under ABSOLUTE MAXIMUM RATINGS may cause permanent damage ...

Page 3

IDT74FST3244 OCTAL BUS SWITCH Symbol Parameter I Quiescent Power Supply Current CC TTL Inputs HIGH I Dynamic Power Supply Current CCD I Total Power Supply Current C NOTES: 1. For conditions shown as Max. or Min., use appropriate value specified ...

Page 4

IDT74FST3244 OCTAL BUS SWITCH Pulse D.U.T. Generator R T Test Open Drain Disable Low Enable Low All Other Tests DEFINITIONS Load capacitance: includes jig and probe capacitance Termination resistance: should ...

Page 5

IDT74FST3244 OCTAL BUS SWITCH X IDT XX FST Tem p. Range Fam ily Device Type *To search for sales office near you, please click the sales button found on our home page or dial the 800# above and press 2. ...

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