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PDF IDT74ALVCH32373BF Data sheet ( Hoja de datos )
| Número de pieza | IDT74ALVCH32373BF | |
| Descripción | 3.3V CMOS 32-BIT TRANSPARENT D-TYPE LATCH WITH 3-STATE OUTPUTS AND BUS-HOLD | |
| Fabricantes | Integrated Device Tech | |
| Logotipo |  |
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IDT74ALVCH32373
3.3V CMOS 32-BIT TRANSPARENT D-TYPE LATCH WITH 3-STATE OUTPUTS
3.3V CMOS 32-BIT
TRANSPARENT D-TYPE
LATCH WITH 3-STATE
OUTPUTS AND BUS-HOLD
INDUSTRIALTEMPERATURERANGE
IDT74ALVCH32373
FEATURES:
• 0.5 MICRON CMOS Technology
• Typical tSK(o) (Output Skew) < 250ps
• ESD > 2000V per MIL-STD-883, Method 3015; > 200V using
machine model (C = 200pF, R = 0)
• VCC = 3.3V ± 0.3V, Normal Range
• VCC = 2.7V to 3.6V, Extended Range
• VCC = 2.5V ± 0.2V
• CMOS power levels (0.4µ W typ. static)
• Rail-to-Rail output swing for increased noise margin
• Available in 96-ball LFBGA package
DRIVE FEATURES:
• High Output Drivers: ±24mA
• Suitable for Heavy Loads
DESCRIPTION:
The 32-bit transparent D-type latch is built using advanced dual metal
CMOS technology. The high-speed, low-power latch is ideal for temporary
storage of data. The device can be used for implementing memory address
latches, I/O ports, and bus drivers. The Output Enable and Latch Enable
controls are organized to operate each device as four 8-bit latches, two 16-
bit latches, or one 32-bit latch. Flow-through organization of signal pins
simplifies layout. All inputs are designed with hysteresis for improved noise
margin.
The ALVCH32373 has been designed with a ±24mA output driver. This
driver is capable of driving a moderate to heavy load while maintaining
speed performance.
The ALVCH32373 has “bus-hold” which retains the inputs’ last state
whenever the input goes to a high impedance. This prevents floating inputs
and eliminates the need for pull-up/down resistor.
APPLICATIONS:
• 3.3V high speed systems
• 3.3V and lower voltage computing systems
FUNCTIONAL BLOCK DIAGRAM
1OE A3
3OE J3
1LE A4
D1 A5
D
C
3LE J4
A2
1Q1
J5
3D1
D
C
J2
3Q1
2OE H3
2LE H4
2D1 E5
TO SEVEN OTHER CHANNELS
4OE T3
4LE T4
D 4D1 N5
E2
C 2Q1
TO SEVEN OTHER CHANNELS
D
N2
C 4Q1
TO SEVEN OTHER CHANNELS
The IDT logo is a registered trademark of Integrated Device Technology, Inc.
INDUSTRIAL TEMPERATURE RANGE
©2000 Integrated Device Technology, Inc.
1
TO SEVEN OTHER CHANNELS
FEBRUARY 2000
DSC-4908/1
1 page  
IDT74ALVCH32373
3.3V CMOS 32-BIT TRANSPARENT D-TYPE LATCH WITH 3-STATE OUTPUTS
INDUSTRIALTEMPERATURERANGE
OUTPUT DRIVE CHARACTERISTICS
Symbol
Parameter
Test Conditions(1)
VOH Output HIGH Voltage
VCC = 2.3V to 3.6V
IOH = – 0.1mA
VCC = 2.3V
IOH = – 6mA
VCC = 2.3V
IOH = – 12mA
VCC = 2.7V
VCC = 3V
VCC = 3V
IOH = – 24mA
VOL OutputLOWVoltage
VCC = 2.3V to 3.6V
IOL = 0.1mA
VCC = 2.3V
IOL = 6mA
IOL = 12mA
VCC = 2.7V
IOL = 12mA
VCC = 3V
IOL = 24mA
Min. Max. Unit
VCC – 0.2
—
V
2—
1.7 —
2.2 —
2.4 —
2—
— 0.2 V
— 0.4
— 0.7
— 0.4
— 0.55
NOTE:
1. VIH and VIL must be within the min. or max. range shown in the DC ELECTRICAL CHARACTERISTICS OVER OPERATING RANGE table for the appropriate VCC range.
TA = – 40°C to + 85°C.
OPERATING CHARACTERISTICS, TA = 25°C
Symbol
CPD
CPD
Parameter
Power Dissipation Capacitance Outputs enabled
Power Dissipation Capacitance Outputs disabled
Test Conditions
CL = 0pF, f = 10Mhz
VCC = 2.5V ± 0.2V
Typical
38
8
VCC = 3.3V ± 0.3V
Typical
44
10
Unit
pF
SWITCHING CHARACTERISTICS(1)
Symbol
tPLH
tPHL
tPLH
tPHL
tPZH
tPZL
tPHZ
tPLZ
tSU
tH
tW
tSK(O)
Parameter
Propagation Delay
xDx to xQx
Propagation Delay
xLE to xQx
Output Enable Time
xOE to xQx
Output Disable Time
xOE to xQx
Setup Time, data before LE↓
Hold Time, data after LE↓
Pulse Duration, LE HIGH or LOW
Output Skew(2)
VCC = 2.5V ± 0.2V
Min. Max.
1 4.5
1 4.9
16
1.2 5.1
1—
1.5 —
3.3 —
——
NOTES:
1. See TEST CIRCUITS AND WAVEFORMS. TA = – 40°C to + 85°C.
2 Skew between any two outputs of the same package and switching in the same direction.
VCC = 2.7V
Min. Max.
— 4.3
VCC = 3.3V ± 0.3V
Min. Max.
1.1 3.6
Unit
ns
— 4.6
1 3.9 ns
— 5.7
1 4.7 ns
— 4.5 1.4 4.1 ns
1 — 1.1 — ns
1.7 — 1.4 — ns
3.3 — 3.3 — ns
— — — 500 ps
5
5 Page | ||
| Páginas | Total 7 Páginas | |
| PDF Descargar | [ Datasheet IDT74ALVCH32373BF.PDF ] | |
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