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PDF IDT54FCT3244 Data sheet ( Hoja de datos )

Número de pieza IDT54FCT3244
Descripción 3.3V CMOS OCTAL BUFFER/LINE DRIVER
Fabricantes Integrated Device Technology 
Logotipo Integrated Device Technology Logotipo



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3.3V CMOS OCTAL
BUFFER/LINE DRIVER
IDT54/74FCT3244/A
Integrated Device Technology, Inc.
FEATURES:
• 0.5 MICRON CMOS Technology
• ESD > 2000V per MIL-STD-883, Method 3015;
> 200V using machine model (C = 200pF, R = 0)
• 25 mil Center SSOP and QSOP Packages
• Extended commercial range of -40°C to +85°C
• VCC = 3.3V ±0.3V, Normal Range or
VCC = 2.7V to 3.6V, Extended Range
• CMOS power levels (0.4µW typ. static)
• Rail-to-Rail output swing for increased noise margin
• Military product compliant to MIL-STD-883, Class B
DESCRIPTION:
The FCT3244/A octal buffer/line drivers are built using
advanced dual metal CMOS technology. These high-speed,
low-power buffers are designed to be used as memory data
and address drivers, clock drivers, and bus-oriented transmit-
ter/receivers. The three-state controls are designed to oper-
ate these devices in a dual-nibble or single-byte mode. All
inputs are designed with hysteresis for improved noise mar-
gin.
FUNCTIONAL BLOCK DIAGRAM
PIN CONFIGURATIONS
1OE
1A1
1A2
1A3
1A4
2OE
2A1
2A2
2A3
2A4
1Y1
1Y2
1Y3
1Y4
2Y1
2Y2
2Y3
2Y4
2779 drw 01
1OE
1A1
2Y 4
1 A2
2Y3
1A3
2Y2
1A4
2Y1
GND
1
2
3
4 P20-1
5
D20-1
SO20-2
6 SO20-7
7
&
SO20-8
8
9
10
20 Vcc
19 2OE
18 1Y 1
17 2A 4
16 1Y 2
15 2A 3
14 1Y 3
13 2A 2
12 1Y4
11 2A1
DIP/SOIC/SSOP/QSOP
TOP VIEW
2779 drw 02
The IDT logo is a registered trademark of Integrated Device Technology, Inc.
MILITARY AND COMMERCIAL TEMPERATURE RANGES
©1996 Integrated Device Technology, Inc.
8.11
DECEMBER 1995
DSC-2779/4
1

1 page




IDT54FCT3244 pdf
IDT54/74FCT3244/A
3.3V CMOS OCTAL BUFFER/LINE DRIVER
MILITARY AND COMMERCIAL TEMPERATURE RANGES
TEST CIRCUITS AND WAVEFORMS
TEST CIRCUITS FOR ALL OUTPUTS
6V
V CC
Open
V IN
Pulse
Generator
V OUT
D.U.T.
GND
500
50pF
500
RT CL
2779 drw 03
SWITCH POSITION
Test
Open Drain
Disable Low
Enable Low
Disable High
Enable High
All Other tests
Switch
6V
GND
Open
DEFINITIONS:
2779 lnk 08
CL= Load capacitance: includes jig and probe capacitance.
RT = Termination resistance: should be equal to ZOUT of the Pulse
Generator.
SET-UP, HOLD AND RELEASE TIMES
PULSE WIDTH
DATA
INPUT
TIMING
INPUT
ASYNCHRONOUS CONTROL
PRESET
CLEAR
ETC.
SYNCHRONOUS CONTROL
PRESET
CLEAR
CLOCK ENABLE
ETC.
tSU
tSU
tH
tREM
tH
3V
1.5V
0V
3V
1.5V
0V
3V
1.5V
0V
3V
1.5V
0V
2779 drw 04
LOW-HIGH-LOW
PULSE
HIGH-LOW-HIGH
PULSE
1.5V
tW
1.5V
2779 drw 05
PROPAGATION DELAY
ENABLE AND DISABLE TIMES
ENABLE
DISABLE
SAME PHASE
INPUT TRANSITION
tPLH
tPHL
3V
1.5V
0V
VOH
CONTROL
INPUT
tPZL
3V
1.5V
tPLZ
0V
OUTPUT
1.5V
OUTPUT
3V
3V
tPLH
tPHL
VOL
NORMALLY SWITCH
LOW
6V
1.5V
0.3V VOL
OPPOSITE PHASE
INPUT TRANSITION
3V
1.5V
0V
2779 drw 06
OUTPUT
NORMALLY
HIGH
tPZH
SWITCH
GND
tPHZ
1.5V
0V
0.3V VOH
0V
NOTES:
2779 drw 07
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.
3. If VCC is below 3V, input voltage swings should be adjusted not to exceed
VCC.
8.11 5

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