IDT74FCT151ATPB [IDT]
FAST CMOS 8-INPUT MULTIPLEXER; 快速CMOS 8输入多路复用器型号: | IDT74FCT151ATPB |
厂家: | INTEGRATED DEVICE TECHNOLOGY |
描述: | FAST CMOS 8-INPUT MULTIPLEXER |
文件: | 总6页 (文件大小:121K) |
中文: | 中文翻译 | 下载: | 下载PDF数据表文档文件 |
IDT54/74FCT151T/AT/CT
FAST CMOS
8-INPUT MULTIPLEXER
Integrated Device Technology, Inc.
FEATURES:
• Std., A, and C speed grades
• Low input and output leakage ≤1µA (max.)
• Extended commercial range of –40°C to +85°C
• CMOS power levels
• True TTL input and output compatibility
– VOH = 3.3V (typ.)
DESCRIPTION:
TheIDT54/74FCT151T/AT/CTarehigh-speed8-inputmul-
tiplexers built using an advanced dual metal CMOS technol-
ogy. They select one bit of data from up to eight sources under
the control of three select inputs. Both assertion and negation
outputs are provided.
TheIDT54/74FCT151T/AT/CThasacommonActive-LOW
enable(E)input. WhenEisLOW, datafromoneofeightinputs
is routed to the complementary outputs according to the 3-bit
code applied to the Select (S0-S2) inputs. A common appli-
cation of the ‘FCT151 is data routing from one of eight
sources.
– VOL = 0.3V (typ.)
• High drive outputs (-15mA IOH, 48mA IOL)
• Power off disable outputs permit “live insertion”
• Meets or exceeds JEDEC standard 18 specifications
• Product available in Radiation Tolerant and Radiation
Enhanced versions
• Military product compliant to MIL-STD-883, Class B
and DESC listed (dual marked)
• Available in DIP, SOIC, CERPACK and LCC packages
FUNCTIONAL BLOCK DIAGRAM
I7
I6
I5
I4
I3
Z
Z
I2
I1
I0
S2
S1
S0
E
2635 drw 01
The IDT logo is a registered trademark of Integrated Device Technology, Inc.
MILITARY AND COMMERCIAL TEMPERATURE RANGES
SEPTEMBER 1996
1997 Integrated Device Technology, Inc.
6.5
DSC-2635/5
1
IDT54/74FCT151T/AT/CT
FAST CMOS 8-INPUT MULTIPLEXER
MILITARY AND COMMERCIAL TEMPERATURE RANGES
PIN CONFIGURATIONS
INDEX
1
16
15
14
13
12
11
10
9
VCC
I4
I3
I2
I1
I0
2
3
4
3
2
20 19
1
I1
I0
I5
4
5
6
7
8
18
P16-1
D16-1
SO16-1
&
I5
I6
I6
17
16
15
14
I7
NC
Z
NC
I7
Z
5
6
7
8
L20-2
Z
S0
S1
S2
E16-1
E
S0
z
9 10 11 12 13
GND
DIP/SOIC/CERPACK
TOP VIEW
2635 drw 02
2635 drw 03
LCC
TOP VIEW
ABSOLUTE MAXIMUM RATINGS(1)
PIN DESCRIPTION
Pin Names
Description
Symbol
Description
Max.
Unit
(2)
I
0
- I
7
Data Inputs
VTERM
Terminal Voltage with Respect to –0.5 to +7.0
GND
V
S
E
Z
Z
0
- S
2
Selects Inputs
(3)
VTERM
Terminal Voltage with Respect to
GND
–0.5 to
VCC +0.5
V
Enable Input (Active LOW)
Data Output
TSTG
IOUT
Storage Temperature
–65 to +150 °C
Inverted Data Output
DC Output Current
–60 to +120 mA
2635 tbl 03
2635 lnk 01
NOTES:
1. Stresses greater than those listed under ABSOLUTE MAXIMUM RAT-
INGS may cause permanent damage to the device. This is a stress rating
onlyandfunctionaloperationofthedeviceattheseoranyotherconditions
above those indicated in the operational sections of this specification is
not implied. Exposure to absolute maximum rating conditions for
extended periods may affect reliability. No terminal voltage may exceed
VCC by +0.5V unless otherwise noted.
FUNCTION TABLE(1)
Inputs
Outputs
S2
S1
S0
E
Z
Z
X
L
X
L
X
L
H
L
L
L
L
L
L
L
L
L
I0
I1
I2
I3
I4
I5
I6
I7
H
I0
I1
I2
I3
I4
I5
I6
2. Input and VCC terminals only.
3. Outputs and I/O terminals only.
L
L
L
H
L
H
L
H
L
H
H
L
CAPACITANCE (TA = +25°C, f = 1.0MHz)
Symbol
Parameter(1)
Conditions Typ. Max. Unit
H
H
H
L
H
H
H
L
H
CIN
Input
Capacitance
Output
VIN = 0V
6
8
10
pF
I7
COUT
VOUT = 0V
12
pF
NOTE:
2635 tbl 04
Capacitance
1. H = HIGH Voltage Level, L = LOW Voltage Level, X = Don’t care, Z =
High Impedance.
2635 lnk 02
NOTE:
1. This parameter is measured at characterization but not tested.
6.5
2
IDT54/74FCT151T/AT/CT
FAST CMOS 8-INPUT MULTIPLEXER
MILITARY AND COMMERCIAL TEMPERATURE RANGES
DC ELECTRICAL CHARACTERISTICS OVER OPERATING RANGE
Following Conditions Apply Unless Otherwise Specified:
Commercial: TA = –40°C to +85°C, VCC = 5.0V ± 5%; Military: TA = –55°C to +125°C, VCC = 5.0V ± 10%
Symbol
Parameter
Input HIGH Level
Test Conditions(1)
Min. Typ.(2) Max.
Unit
VIH
Guaranteed Logic HIGH Level
2.0
—
—
—
—
0.8
±1
V
VIL
II H
Input LOW Level
Guaranteed Logic LOW Level
V
Input HIGH Current(4)
Input LOW Current(4)
High Impedance Output Current(4) VCC = Max.
VCC = Max.
VI = 2.7V
VI = 0.5V
VO = 2.7V
VO = 0.5V
—
—
µA
µA
µA
II L
VCC = Max.
—
—
±1
IOZH
IOZL
II
—
—
±1
—
—
±1
Input HIGH Current(4)
Clamp Diode Voltage
Short Circuit Current
Output HIGH Voltage
VCC = Max., VI = VCC (Max.)
—
—
20
µA
V
VIK
IOS
VOH
VCC = Min., IN = –18mA
VCC = Max.(3), VO = GND
VCC = Min.
—
–0.7
–1.2
–60
2.4
–120 –225
mA
V
IOH = –6mA MIL.
3.3
3.0
0.3
—
VIN = VIH or VIL
IOH = –8mA COM'L.
IOH = –12mA MIL.
IOH = –15mA COM'L.
IOL = 32mA MIL.
2.0
—
—
V
V
VOL
Output LOW Voltage
VCC = Min.
VIN = VIH or VIL
—
0.5
IOL = 48mA COM'L.
VH
Input Hysteresis
—
—
200
—
1
mV
mA
ICC
Quiescent Power Supply Current
VCC = Max.
0.01
VIN = GND or VCC
NOTES:
2635 tbl 05
1. For conditions shown as Max. or Min., use appropriate value specified under Electrical Characteristics for the applicable device type.
2. Typical values are at VCC = 5.0V, +25°C ambient and maximum loading.
3. Not more than one output should be shorted at one time. Duration of the short circuit test should not exceed one second.
4. The test limit for this parameter is ±5µA at TA = -55°C.
6.5
3
IDT54/74FCT151T/AT/CT
FAST CMOS 8-INPUT MULTIPLEXER
MILITARY AND COMMERCIAL TEMPERATURE RANGES
POWER SUPPLY CHARACTERISTICS
Symbol
Parameter
QuiescentPower Supply Current
TTL Inputs HIGH
Test Conditions(1)
Min. Typ.(2) Max.
Unit
VCC = Max.
VIN = 3.4V(3)
∆ICC
—
—
0.5
2.0
mA
ICCD
Dynamic Power Supply Current(4) VCC = Max.
VIN = VCC
0.15
0.25
mA/
Outputs Open
VIN = GND
MHz
E or OE = GND
One Bit Toggling
50% Duty Cycle
VCC = Max.
Outputs Open
fi = 10MHz
IC
Total Power Supply Current(5)
VIN = VCC
VIN = GND
—
—
3.2
3.5
6.5
7.5
mA
50% Duty Cycle
E or OE= GND
One Input Toggling
VIN = 3.4V
VIN = GND
2635 tbl 06
NOTES:
1. For conditions shown as Max. or Min., use appropriate value specified under Electrical Characteristics for the applicable device type.
2. Typical values are at VCC = 5.0V, +25°C ambient.
3. Per TTL driven input (VIN = 3.4V). All other inputs at VCC or GND.
4. This parameter is not directly testable, but is derived for use in Total Power Supply Calculations.
5. Values for these conditions are examples of the ICC formula. These limits are guaranteed but not tested.
6. IC = IQUIESCENT + IINPUTS + IDYNAMIC
IC = ICC + ∆ICC DHNT + ICCD (fCP/2 + fiNO)
ICC = Quiescent Current
∆ICC = Power Supply Current for a TTL High Input (VIN = 3.4V)
DH = Duty Cycle for TTL Inputs High
NT = Number of TTL Inputs at DH
ICCD = Dynamic Current Caused by an Input Transition Pair (HLH or LHL)
fCP = Clock Frequency for Register Devices (Zero for Non-Register Devices)
fi = Input Frequency
NO = Number of Inputs at fi
All currents are in milliamps and all frequencies are in megahertz.
SWITCHING CHARACTERISTICS OVER OPERATING RANGE
IDT54/74FCT151T
IDT54/74FCT151AT
IDT54/74FCT151CT
Com'l.
Mil.
Com'l.
Mil.
Com'l.
Mil.
(1)
(2)
(2)
Max. Min.
(2)
(2)
Max. Min.
(2)
(2)
Max. Min.
Symbol
tPLH
tPHL
Parameter
Propagation Delay
SN to Z
Condition
Min.
Max. Min.
Max. Min.
Max. Unit
CL = 50pF
1.5 9.0 1.5 10.0 1.5 6.6 1.5 7.4 1.5 5.6 1.5 6.2
ns
RL = 500Ω
tPLH
tPHL
tPLH
tPHL
tPLH
tPHL
tPLH
tPHL
tPLH
tPHL
Propagation Delay
SN to Z
1.5 10.5 1.5 11.5 1.5 6.8 1.5 7.6 1.5 5.8 1.5 6.5
1.5 7.0 1.5 7.5 1.5 5.6 1.5 6.3 1.5 4.8 1.5 5.4
1.5 9.5 1.5 11.0 1.5 5.8 1.5 6.6 1.5 5.0 1.5 5.7
1.5 6.5 1.5 7.5 1.5 5.2 1.5 5.8 1.5 4.4 1.5 4.9
1.5 7.5 1.5 9.0 1.5 5.5 1.5 6.1 1.5 4.7 1.5 5.2
ns
ns
ns
ns
Propagation Delay
E toZ
Propagation Delay
Eto Z
Propagation Delay
IN to Z
Propagation Delay
IN to Z
ns
NOTES:
2635 tbl 07
1. See test circuit and waveforms.
2. Minimum limits are guaranteed but not tested on Propagation Delays.
6.5
4
IDT54/74FCT151T/AT/CT
FAST CMOS 8-INPUT MULTIPLEXER
MILITARY AND COMMERCIAL TEMPERATURE RANGES
TEST CIRCUITS AND WAVEFORMS
TEST CIRCUITS FOR ALL OUTPUTS
VCC
SWITCH POSITION
Test
Switch
7.0V
Open Drain
Disable Low
Closed
500Ω
500Ω
Enable Low
VOUT
VIN
Pulse
Generator
Open
All Other Tests
D.U.T.
2635 lnk 08
DEFINITIONS:
CL= Load capacitance: includes jig and probe capacitance.
RT = Termination resistance: should be equal to ZOUT of the Pulse
50pF
C L
T
R
Generator.
2635 drw 04
SET-UP, HOLD AND RELEASE TIMES
PULSE WIDTH
3V
DATA
1.5V
0V
INPUT
LOW-HIGH-LOW
PULSE
tH
tSU
1.5V
1.5V
3V
1.5V
0V
TIMING
INPUT
ASYNCHRONOUS CONTROL
tW
tREM
PRESET
CLEAR
ETC.
3V
1.5V
0V
HIGH-LOW-HIGH
PULSE
SYNCHRONOUS CONTROL
PRESET
3V
2635 drw 06
1.5V
0V
CLEAR
tSU
tH
CLOCK ENABLE
ETC.
2635 drw 05
PROPAGATION DELAY
ENABLE AND DISABLE TIMES
ENABLE
DISABLE
3V
1.5V
0V
3V
SAME PHASE
CONTROL
INPUT
1.5V
0V
INPUT TRANSITION
tPLH
tPHL
tPHL
tPZL
tPLZ
VOH
1.5V
VOL
OUTPUT
3.5V
1.5V
3.5V
VOL
OUTPUT
NORMALLY
LOW
SWITCH
CLOSED
tPLH
0.3V
0.3V
3V
1.5V
0V
tPZH
tPHZ
OPPOSITE PHASE
INPUT TRANSITION
VOH
OUTPUT
NORMALLY
HIGH
SWITCH
OPEN
1.5V
0V
2635 drw 07
0V
2635 drw 08
NOTES:
1. Diagram shown for input Control Enable-LOW and input Control Disable-
HIGH
2. Pulse Generator for All Pulses: Rate ≤ 1.0MHz; tF ≤ 2.5ns; tR ≤ 2.5ns
6.5
5
IDT54/74FCT151T/AT/CT
FAST CMOS 8-INPUT MULTIPLEXER
MILITARY AND COMMERCIAL TEMPERATURE RANGES
ORDERING INFORMATION
IDT
XX
FCT
XXXX
X
X
X
Temp. Range
Device Type
Process
Package
Family
Blank
B
Commercial
MIL-STD-883, Class B
P
Plastic DIP
D
CERDIP
SO
L
E
Small Outline IC
Leadless Chip Carrier
CERPACK
151T
8-Input Multiplexer
151AT
151CT
Blank
High Drive
54
74
–55°C to +125°C
–40°C to +85°C
2635 drw 09
6.5
6
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