74LVTH16543 Datasheet PDF - Fairchild Semiconductor
Part Number | 74LVTH16543 | |
Description | Low Voltage 16-Bit Registered Transceiver with 3-STATE Outputs | |
Manufacturers | Fairchild Semiconductor | |
Logo | ||
There is a preview and 74LVTH16543 download ( pdf file ) link at the bottom of this page. Total 8 Pages |
Preview 1 page No Preview Available ! January 2000
Revised January 2000
74LVTH16543
Low Voltage 16-Bit Registered Transceiver
with 3-STATE Outputs
General Description
The LVTH16543 16-bit transceiver contains two sets of D-
type latches for temporary storage of data flowing in either
direction. Separate Latch Enable and Output Enable inputs
are provided for each register to permit independent con-
trol of inputting and outputting in either direction of data
flow. Each byte has separate control inputs, which can be
shorted together for full 16-bit operation.
The LVTH16543 data inputs include bushold, eliminating
the need for external pull-up resistors to hold unused
inputs.
These transceivers are designed for low-voltage (3.3V)
VCC applications, but with the capability to provide a TTL
interface to a 5V environment. The LVTH16543 is fabri-
cated 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 16543
s Latch-up performance exceeds 500 mA
Ordering Code:
Order Number Package Number
Package Description
74LVTH16543MEA
MS56A
56-Lead Shrink Small Outline Package (SSOP), JEDEC MO-118, 0.300 Wide
74LVTH16543MTD
MTD56
56-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 6.1mm Wide
Device also available in Tape and Reel. Specify by appending suffix letter “X” to the ordering code.
Logic Symbol
© 2000 Fairchild Semiconductor Corporation DS012449
www.fairchildsemi.com
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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 5)
3.6
0.2 mA
Note 3: An external driver must source at least the specified current to switch from LOW-to-HIGH.
Note 4: An external driver must sink at least the specified current to switch from HIGH-to-LOW.
Note 5: 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 3)
(Note 4)
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 6)
Symbol
Parameter
VCC TA = 25°C
Units
(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 6: Characterized in SSOP package. Guaranteed parameter, but not tested.
Note 7: Max number of outputs defined as (n). n−1 data inputs are driven 0V to 3V. Output under test held LOW.
V
V
Conditions
CL = 50 pF, RL = 500Ω
(Note 7)
(Note 7)
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Featured Datasheets
Part Number | Description | MFRS |
74LVTH16543 | The function is Low Voltage 16-Bit Registered Transceiver with 3-STATE Outputs. Fairchild Semiconductor | |
74LVTH16543MEA | The function is Low Voltage 16-Bit Registered Transceiver with 3-STATE Outputs. Fairchild Semiconductor | |
74LVTH16543MTD | The function is Low Voltage 16-Bit Registered Transceiver with 3-STATE Outputs. Fairchild Semiconductor | |
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