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Número de pieza | IDT54FCT807BT | |
Descripción | FAST CMOS 1-TO-10 CLOCK DRIVER | |
Fabricantes | Integrated Device | |
Logotipo | ||
Hay una vista previa y un enlace de descarga de IDT54FCT807BT (archivo pdf) en la parte inferior de esta página. Total 7 Páginas | ||
No Preview Available ! Integrated Device Technology, Inc.
FAST CMOS
1-TO-10
CLOCK DRIVER
IDT54/74FCT807BT/CT
FEATURES:
• 0.5 MICRON CMOS Technology
• Guaranteed low skew < 250ps (max.)
• Very low duty cycle distortion < 350ps (max.)
• High speed: propagation delay < 2.5ns (max.)
• 100MHz operation
• TTL compatible inputs and outputs
• TTL level output voltage swings
• 1:10 fanout
• Output rise and fall time < 1.5ns (max.)
• Low input capacitance: 4.5pF typical
• High Drive: -32mA IOH, 48mA IOL
• ESD > 2000V per MIL STD-883, Method 3015;
FUNCTIONAL BLOCK DIAGRAM
O1
O2
O3
O4
O5
IN
O6
O7
O8
O9
> 200V using machine model (C = 200pF, R = 0)
• Available in DIP, SOIC, SSOP, QSOP, Cerpack and
LCC packages
• Military product compliant to MIL-STD-883, Class B
DESCRIPTION:
The IDT54/74FCT807BT/CT clock driver is built using
advanced dual metal CMOS technology. This low skew clock
driver features 1:10 fanout, providing minimal loading on the
preceding drivers. The IDT54/74FCT807BT/CT offers low
capacitance inputs with hysteresis for improved noise margins.
TTL level outputs and multiple power and grounds reduce
noise. The device also features -32/48mA drive capability for
driving low impedance traces.
PIN CONFIGURATIONS
IN
GND
O1
VCC
O2
GND
O3
VCC
O4
GND
1 20
2 19
3 18
4 P20-1 17
D20-1
5 SO20-2 16
SO20-7
6 SO20-8 15
&
7 E20-1 14
8 13
9 12
10 11
VCC
O10
O9
GND
O8
VCC
O7
GND
O6
O5
DIP/SOIC/SSOP/QSOP/CERPACK
TOP VIEW
3017 drw 02
INDEX
O10
3017 drw 01
VCC
O2
GND
O3
VCC
32
20 19
4 1 18
5 17
6
L20-2
16
7 15
8 14
9 10 11 12 13
O9
GND
O8
VCC
O7
The IDT logo is a registered trademark of Integrated Device Technology, Inc.
MILITARY AND COMMERCIAL TEMPERATURE RANGES
©1995 Integrated Device Technology, Inc.
9.3
LCC
TOP VIEW
3017 drw 03
OCTOBER 1995
DSC-4242/3
1
1 page IDT54/74FCT807BT/CT
FAST CMOS 1-TO-10 CLOCK DRIVER
TEST CIRCUITS
50Ω TO VCC/2, CL = 10pF
V CC
VIN
Pulse
Generator
D.U.T.
VOUT
RT
Figure 1.
MILITARY AND COMMERCIAL TEMPERATURE RANGES
50Ω AC TERMINATION, CL = 10pF
V CC
V CC
100Ω
100Ω
10pF
VIN
Pulse
Generator
D.U.T.
RT
V OUT
50Ω
220pF
10pF
3017 drw 04
3017 drw 05
The capacitor value for ac termination is determined by the operating
frequency. For very low frequencies a higher capacitor value should be
selected.
Figure 2.
CL = 30pF CIRCUIT
V CC
CL = 50pF CIRCUIT
V CC
VIN
Pulse
Generator
V OUT
D.U.T.
RT
Figure 3.
30pF
CL
3017 drw 06
V IN
Pulse
Generator
V OUT
D.U.T.
RT
Figure 4.
50pF
CL
3017 drw 07
ENABLE AND DISABLE TIME CIRCUIT
ENABLE AND DISABLE TIME
SWITCH POSITION
V IN
Pulse
Generator
V CC
V OUT
D.U.T.
500Ω
50pF
RT
500Ω
CL
7.0V
Test
Switch
Disable LOW
Closed
Enable LOW
Disable HIGH
Open
Enable HIGH
DEFINITIONS:
3017 lnk 09
CL= Load capacitance: includes jig and probe capacitance.
RT = Termination resistance: should be equal to ZOUT of the Pulse
Generator.
3017 drw 08
Figure 5.
9.3 5
5 Page |
Páginas | Total 7 Páginas | |
PDF Descargar | [ Datasheet IDT54FCT807BT.PDF ] |
Número de pieza | Descripción | Fabricantes |
IDT54FCT807BT | FAST CMOS 1-TO-10 CLOCK DRIVER | Integrated Device |
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