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74FST3253DTR2 데이터시트 PDF




ON에서 제조한 전자 부품 74FST3253DTR2은 전자 산업 및 응용 분야에서
광범위하게 사용되는 반도체 소자입니다.


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부품번호 74FST3253DTR2 기능
기능 Dual 4:1 Multiplexer/ Demultiplexer Bus Switch
제조업체 ON
로고 ON 로고


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74FST3253DTR2 데이터시트, 핀배열, 회로
74FST3253
Dual 4:1 Multiplexer/
Demultiplexer Bus Switch
The ON Semiconductor 74FST3253 is a dual 4:1, high performance
multiplexer/demultiplexer bus switch. The device is CMOS TTL
compatible when operating between 4 and 5.5 Volts. The device
exhibits extremely low RON and adds nearly zero propagation delay.
The device adds no noise or ground bounce to the system.
Features
RON t 4 W Typical
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 QS3253, FST3253, CBT3253
All Popular Packages: QSOP−16, TSSOP−16, SOIC−16
All Devices in Package TSSOP are Inherently Pb−Free*
OE1
S1
1B4
1B3
1B2
1B1
1A
GND
1
2
3
4
5
6
7
8
16 VCC
15 OE2
14 S0
13 2B4
12 2B3
11 2B2
10 2B1
9 2A
Figure 1. 16−Lead
Pinout
S1 S0 OE1 OE2
XX H X
XX X H
LL L L
LH L L
HL L L
HH L L
Function
Disconnect 1A
Disconnect 2A
A = B1
A = B2
A = B3
A = B4
Figure 2. Truth Table
http://onsemi.com
MARKING
DIAGRAMS
16
1
SOIC−16
D SUFFIX
CASE 751B
16
1
TSSOP−16
DT SUFFIX
CASE 948F
16
FST3253
AWLYWW
1
16
FST
3253
ALYW
1
16
1
QSOP−16
QS SUFFIX
CASE 492
16
S3253
ALYW
1
A = Assembly Location
L, WL = Wafer Lot
Y = Year
W, WW = Work Week
PIN NAMES
Pin
OE1, OE2
S0, S1
A
B1, B2, B3, B4
Description
Bus Switch Enables
Select Inputs
Bus A
Bus B
*For additional information on our Pb−Free strategy and soldering details, please
download the ON Semiconductor Soldering and Mounting Techniques
Reference Manual, SOLDERRM/D.
© Semiconductor Components Industries, LLC, 2005
January, 2005 − Rev. 2
1
ORDERING INFORMATION
See detailed ordering and shipping information in the package
dimensions section on page 2 of this data sheet.
Publication Order Number:
74FST3253/D




74FST3253DTR2 pdf, 반도체, 판매, 대치품
74FST3253
DC ELECTRICAL CHARACTERISTICS
Symbol
Parameter
Conditions
VCC TA = *40_C to )85_C
(V) Min Typ* Max Unit
VIK Clamp Diode Resistance
VIH High−Level Input Voltage
IIN = *18mA
4.5
4.0 to 5.5
2.0
*1.2
V
V
VIL
II
IOZ
RON
Low−Level Input Voltage
Input Leakage Current
OFF−STATE Leakage Current
Switch On Resistance (Note 6)
0 v VIN v 5.5 V
0 v A, B v VCC
VIN = 0 V, IIN = 64 mA
4.0 to 5.5
5.5
5.5
4.5
0.8 V
$1.0 mA
$1.0 mA
4 7W
VIN = 0 V, IIN = 30 mA
4.5 4 7
VIN = 2.4 V, IIN = 15 mA
4.5 8 15
VIN = 2.4 V, IIN = 15 mA
4.0 11 20
ICC Quiescent Supply Current
VIN = VCC or GND, IOUT = 0
5.5
3 mA
DICC Increase In ICC per Input
One input at 3.4 V, Other inputs at VCC or GND
5.5
2.5 mA
*Typical values are at VCC = 5.0 V and TA = 25_C.
6. Measured by the voltage drop between A and B pins at the indicated current through the switch. On resistance is determined by the lower
of the voltages on the two (A or B) pins.
AC ELECTRICAL CHARACTERISTICS
TA = *40_C to )85_C
CL = 50 pF, RU = RD = 500 W
Symbol
Parameter
Conditions
VCC = 4.5−5.5 V
Min Max
VCC = 4.0 V
Min Max
Unit
tPHL, tPLH Prop Delay Bus to Bus (Note 7)
Prop Delay, Select to Bus A
VI = OPEN
0.25
1.0 5.3
0.25 ns
6.3
tPZH, tPZL Output Enable Time, Select to Bus B
VI = 7 V for tPZL
1.0 5.3
6.0 ns
Output Enable Time, IOE to Bus A, B
VI = OPEN for tPZH
1.0
5.3
6.2
tPHZ, tPLZ Output Disable Time, Select to Bus B
VI = 7 V for tPLZ
1.0 5.8
6.2 ns
Output Disable Time, IOE to Bus A, B
VI = OPEN for tPHZ
1.0
5.5
6.2
7. This parameter is guaranteed by design but is not tested. The bus switch contributes no propagation delay other than the RC delay of the
typical On resistance of the switch and the 50 pF load capacitance, when driven by an ideal voltage source (zero output impedance).
CAPACITANCE (Note 8)
Symbol
Parameter
Conditions
CIN Control Pin Input Capacitance
VCC = 5.0 V
CI/O A Port Input/Output Capacitance
VCC, OE = 5.0 V
CI/O B Port Input/Output Capacitance
VCC, OE = 5.0 V
8. TA = )25_C, f = 1 MHz, Capacitance is characterized but not tested.
Typ Max Unit
3 pF
13 pF
5 pF
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74FST3253DTR2 전자부품, 판매, 대치품
74FST3253
PACKAGE DIMENSIONS
QSOP−16
QS SUFFIX
CASE 492−01
ISSUE O
−B−
−A−
R
U
Q
H x 45_
RAD.
0.013 X 0.005
DP. MAX
G
L
0.25 (0.010) M T
RAD.
0.005−0.010
TYP
P DETAIL E
KV
C
D 16 PL
0.25 (0.010) M T B S A S
−T−
SEATING
PLANE
J
M
MOLD PIN
MARK
N 8 PL
NOTES:
1. DIMENSIONING AND TOLERANCING PER ANSI
Y14.5M, 1982.
2. CONTROLLING DIMENSION: INCH.
3. THE BOTTOM PACKAGE SHALL BE BIGGER THAN
THE TOP PACKAGE BY 4 MILS (NOTE: LEAD SIDE
ONLY). BOTTOM PACKAGE DIMENSION SHALL
FOLLOW THE DIMENSION STATED IN THIS
DRAWING.
4. PLASTIC DIMENSIONS DOES NOT INCLUDE MOLD
FLASH OR PROTRUSIONS. MOLD FLASH OR
PROTRUSIONS SHALL NOT EXCEED 6 MILS PER
SIDE.
5. BOTTOM EJECTOR PIN WILL INCLUDE THE
COUNTRY OF ORIGIN (COO) AND MOLD CAVITY I.D.
INCHES
DIM MIN MAX
A 0.189 0.196
B 0.150 0.157
C 0.061 0.068
D 0.008 0.012
F 0.016 0.035
G 0.025 BSC
H 0.008 0.018
J 0.0098 0.0075
K 0.004 0.010
L 0.230 0.244
M 0_ 8_
N 0_ 7_
P 0.007 0.011
Q 0.020 DIA
R 0.025 0.035
U 0.025 0.035
V 0_ 8_
MILLIMETERS
MIN MAX
4.80 4.98
3.81 3.99
1.55 1.73
0.20 0.31
0.41 0.89
0.64 BSC
0.20 0.46
0.249 0.191
0.10 0.25
5.84 6.20
0_ 8_
0_ 7_
0.18 0.28
0.51 DIA
0.64 0.89
0.64 0.89
0_ 8_
F
DETAIL E
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부품번호상세설명 및 기능제조사
74FST3253DTR2

Dual 4:1 Multiplexer/ Demultiplexer Bus Switch

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