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What is 74LVTH16952?

This electronic component, produced by the manufacturer "Fairchild Semiconductor", performs the same function as "Low Voltage 16-Bit Registered Transceiver with 3-STATE Outputs".


74LVTH16952 Datasheet PDF - Fairchild Semiconductor

Part Number 74LVTH16952
Description Low Voltage 16-Bit Registered Transceiver with 3-STATE Outputs
Manufacturers Fairchild Semiconductor 
Logo Fairchild Semiconductor Logo 


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January 2000
Revised January 2000
74LVTH16952
Low Voltage 16-Bit Registered Transceiver
with 3-STATE Outputs
General Description
The LVTH16952 is a 16-bit registered transceiver. Two 8-
bit back to back registers store data flowing in both direc-
tions between two bidirectional buses. Separate clock,
clock enable, and output enable signals are provided for
each register.
The LVTH16952 data inputs include bushold, eliminating
the need for external pull-up resistors to hold unused
inputs.
The registered transceiver is designed for low-voltage
(3.3V) VCC applications, but with the capability to provide a
TTL interface to a 5V environment.
The LVTH16952 is fabricated with an advanced BiCMOS
technology to achieve high speed operation similar to 5V
ABT while maintaining low power dissipation.
Features
s Input and output interface capability to systems at
5V VCC
s Bushold data inputs eliminate the need for external
pull-up resistors to hold unused inputs
s Live insertion/extraction permitted
s Power Up/Down high impedance provides glitch-free
bus loading
s Outputs source/sink 32 mA/+64 mA
s Functionally compatible with the 74 series 16952
s Latch-up performance exceeds 500 mA
Ordering Code:
Order Number Package Number
Package Description
74LVTH16952MEA
MS56A
56-Lead Shrink Small Outline Package (SSOP), JEDEC MO-118, 0.300 Wide
74LVTH16952MTD
MTD56
56-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 6.1mm Wide
Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code.
© 2000 Fairchild Semiconductor Corporation DS500103
www.fairchildsemi.com

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74LVTH16952 equivalent
DC Electrical Characteristics
Symbol
VIK
VIH
VIL
VOH
VOL
II(HOLD)
II(OD)
II
IOFF
IPU/PD
IOZL
IOZH
IOZH+
ICCH
ICCL
ICCZ
ICCZ+
Parameter
Input Clamp Diode Voltage
Input HIGH Voltage
Input LOW Voltage
Output HIGH Voltage
Output LOW Voltage
Bushold Input Minimum Drive
VCC
(V)
2.7
2.7–3.6
2.7–3.6
2.7–3.6
2.7
3.0
2.7
2.7
3.0
3.0
3.0
3.0
Bushold Input Over-Drive
Current to Change State
Input Current
3.0
Control Pins
Data Pins
3.6
3.6
3.6
Power Off Leakage Current
Power Up/Down 3-STATE
Output Current
3-STATE Output Leakage Current
3-STATE Output Leakage Current
3-STATE Output Leakage Current
Power Supply Current
Power Supply Current
Power Supply Current
Power Supply Current
0
0–1.5V
3.6
3.6
3.6
3.6
3.6
3.6
3.6
T A = −40°C to +85°C
Min Max
1.2
2.0
0.8
VCC 0.2
2.4
2.0
0.2
0.5
0.4
0.5
0.55
75
75
500
500
10
±1
5
1
±100
±100
5
5
10
0.19
5
0.19
0.19
Units
V
V
V
V
V
V
V
V
V
V
µA
µA
µA
µA
µA
µA
µA
µA
µA
µA
µA
µA
µA
mA
mA
mA
mA
ICC
Increase in Power Supply Current
(Note 6)
3.6
0.2 mA
Note 4: An external driver must source at least the specified current to switch from LOW-to-HIGH.
Note 5: An external driver must sink at least the specified current to switch from HIGH-to-LOW.
Note 6: This is the increase in supply current for each input that is at the specified voltage level rather than VCC or GND.
Conditions
II = −18 mA
VO 0.1V or
VO VCC 0.1V
IOH = −100 µA
IOH = −8 mA
IOH = −32 mA
IOL = 100 µA
IOL = 24 mA
IOL = 16 mA
IOL = 32 mA
IOL = 64 mA
VI = 0.8V
VI = 2.0V
(Note 4)
(Note 5)
VI = 5.5V
VI = 0V or VCC
VI = 0V
VI = VCC
0V VI or VO 5.5V
VO = 0.5V to 3.0V
VI = GND or VCC
VO = 0.0V
VO = 3.6V
VCC < VO 5.5V
Outputs High
Outputs Low
Outputs Disabled
VCC VO 5.5V,
Outputs Disabled
One Input at VCC 0.6V
Other Inputs at VCC or GND
Dynamic Switching Characteristics (Note 7)
Symbol
Parameter
VCC TA = 25°C
(V) Min Typ Max
VOLP
Quiet Output Maximum Dynamic VOL
3.3
0.8
VOLV
Quiet Output Minimum Dynamic VOL
3.3
0.8
Note 7: Characterized in SSOP package. Guaranteed parameter, but not tested.
Note 8: Max number of outputs defined as (n). n1 data inputs are driven 0V to 3V. Output under test held LOW.
Units
V
V
Conditions
CL = 50 pF, RL = 500
(Note 8)
(Note 8)
5 www.fairchildsemi.com


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Featured Datasheets

Part NumberDescriptionMFRS
74LVTH16952The function is Low Voltage 16-Bit Registered Transceiver with 3-STATE Outputs. Fairchild SemiconductorFairchild Semiconductor
74LVTH16952MEAThe function is Low Voltage 16-Bit Registered Transceiver with 3-STATE Outputs. Fairchild SemiconductorFairchild Semiconductor
74LVTH16952MTDThe function is Low Voltage 16-Bit Registered Transceiver with 3-STATE Outputs. Fairchild SemiconductorFairchild Semiconductor

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