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Part Number: 74LVC32245A
Description: The 74LVC(H)32245A is a high-performance, low-power, low-voltage, Si-gate CMOS device, superior to mos...
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74LVC32245A
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DataSheet
General Description
74LVC32245A General Description
The 74LVC(H)32245A is a high-performance, low-power, low-voltage, Si-gate CMOS device, superior to most advanced CMOS compatible TTL families. Inputs can be driven from either 3.3 or 5 V devices. In 3-state operation, outputs can handle 5 V. These features allow the use of these devices in a mixed 3.3 and 5 V environment.
The 74LVC(H)32245A is a 32-bit transceiver featuring non-inverting 3-state bus compatible outputs in both send and receive directions. The 74LVC(H)32245A features two output enable (nOE) inputs for easy cascading and two send or receive (nDIR) inputs for direction control. nOE controls the outputs so that the buses are effectively
isolated.
To ensure the high-impedance state during power-up or power-down, input nOE should be tied to VCC through a pull-up resistor; the minimum value of the resistor is
determined by the current-sinking capability of the driver.
The 74LVCH32245A bus hold data inputs eliminates the need for external pull-up resistors to hold unused or floating data inputs at a valid logic level (see Fig.2).
74LVC32245A Maximum Ratings
|
Symbol |
Parameter |
CONDITIONS |
Min |
Max |
Unit |
|
VCC |
DC Supply Voltage |
-0.5 |
+6.5 |
V | |
|
VI |
DC input voltage |
note 1 |
-0.5 |
+6.5 |
V |
|
IIK |
DC input diode current |
VI < 0 |
-50 |
mA | |
|
IOK |
DC output diode current |
VO > VCC or VO < 0; note 1 |
±50 |
mA | |
|
VO |
output voltage |
output HIGH or LOW state; note 1 |
-0.5 |
VCC + 0.5 |
V |
|
output 3-state; note 1 |
-0.5 |
+6.5 |
V | ||
|
IO |
DC output source or sink current |
VO = 0 to VCC |
±50 |
mA | |
|
ICC or IGND |
DC VCC or GND current |
±100 |
mA | ||
|
Tstg |
Storage temperature |
-65 |
+150 |
||
|
Ptot |
power dissipation |
temperature range -40 to +85 °C; note 2 |
300 |
mW |
2. Above 70 °C the value of PD derates linearly with 1.8 mW/K.
74LVC32245A Features
· 5 V tolerant inputs/outputs for interfacing with 5 V logic
· Wide supply voltage range of 1.2 to 3.6 V
· Complies with JEDEC standard no. 8-1A
· CMOS low power consumption
· MULTIBYTEä flow-trough standard pin-out architecture
· Low inductance multiple power and ground pins for minimum noise and ground bounce
· Direct interface with TTL levels
· Bus hold on data inputs (74LVCH32245A only)
· Typical output ground bounce voltage:
VOLP < 0.8 V at VCC = 3.3 V; Tamb = 25 °C
· Typical output VOH undershoot voltage:
VOHV > 2 V at VCC = 3.3 V; Tamb = 25 °C
· Power-off disabled outputs, permitting live insertion
· Plastic fine-pitch ball grid array package.
· Wide supply voltage range of 1.2 to 3.6 V
· Complies with JEDEC standard no. 8-1A
· CMOS low power consumption
· MULTIBYTEä flow-trough standard pin-out architecture
· Low inductance multiple power and ground pins for minimum noise and ground bounce
· Direct interface with TTL levels
· Bus hold on data inputs (74LVCH32245A only)
· Typical output ground bounce voltage:
VOLP < 0.8 V at VCC = 3.3 V; Tamb = 25 °C
· Typical output VOH undershoot voltage:
VOHV > 2 V at VCC = 3.3 V; Tamb = 25 °C
· Power-off disabled outputs, permitting live insertion
· Plastic fine-pitch ball grid array package.
74LVC32245A
PDF/DataSheet Download
- Datasheet: 74LVC32245A
- File Size: 99314 KB
- Manufacturer: PHILIPS [Philips Semiconductors]
- Click here to Download
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