74LVT245B Datasheet PDF - NXP Semiconductors
Part Number | 74LVT245B | |
Description | 3.3V octal transceiver | |
Manufacturers | NXP Semiconductors | |
Logo | ||
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3.3 V octal transceiver with direction pin (3-state)
Rev. 02 — 8 May 2008
Product data sheet
1. General description
The 74LVT245B is a high-performance BiCMOS product designed for VCC operation at
3.3 V.
This device is an octal transceiver featuring non-inverting 3-state bus compatible outputs
in both send and receive directions. The control function implementation minimizes
external timing requirements. The device features an output enable (OE) input for easy
cascading and a direction (DIR) input for direction control.
2. Features
I 3-state buffers
I Octal bidirectional bus interface
I Input and output interface capability to systems at 5 V supply
I TTL input and output switching levels
I Output capability: +64 mA/−32 mA
I Latch-up protection exceeds 500 mA per JEDEC Std 17
I ESD protection:
N HBM JESD22-A114E exceeds 2000 V
N MM JESD22-A115-A exceeds 200 V
I Bus-hold data inputs eliminate the need for external pull-up resistors for unused inputs
I Live insertion/extraction permitted
I Power-up 3-state
I No bus current loading when output is tied to 5 V bus
3. Ordering information
Table 1. Ordering information
Type number Package
Temperature range Name
Description
74LVT245BD −40 °C to +85 °C SO20
plastic small outline package; 20 leads;
body width 7.5 mm
74LVT245BDB −40 °C to +85 °C
SSOP20
plastic shrink small outline package; 20 leads;
body width 5.3 mm
74LVT245BPW −40 °C to +85 °C
TSSOP20 plastic thin shrink small outline package; 20 leads;
body width 4.4 mm
74LVT245BBQ −40 °C to +85 °C
DHVQFN20 plastic dual in-line compatible thermal enhanced very
thin quad flat package; no leads; 20 terminals;
body 2.5 × 4.5 × 0.85 mm
Version
SOT163-1
SOT339-1
SOT360-1
SOT764-1
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NXP Semiconductors
74LVT245B
www.DataSheet4U.com
3.3 V octal transceiver with direction pin (3-state)
8. Recommended operating conditions
Table 5. Recommended operating conditions
Symbol Parameter
Conditions
VCC
VI
IOH
IOL
Tamb
∆t/∆V
supply voltage
input voltage
HIGH-level output current
LOW-level output current
ambient temperature
input transition rise and fall rate
current duty cycle ≤ 50 %; fi ≥ 1 kHz
in free air
output enabled
9. Static characteristics
Min Max Unit
2.7 3.6 V
0 5.5 V
- −32 mA
- 32 mA
- 64 mA
−40 +85 °C
0 10 ns/V
Table 6. Static characteristics
At recommended operating conditions. Voltages are referenced to GND (ground = 0 V).
Symbol Parameter
Conditions
−40 °C to +85 °C
Unit
Min Typ[1] Max
VIK
input clamping voltage
VCC = 2.7 V; IIK = −18 mA
−1.2 −0.9 - V
VIH HIGH-level input voltage
VIL LOW-level input voltage
VOH HIGH-level output voltage VCC = 2.7 V to 3.6 V; IOH = −100 µA
VCC = 2.7 V; IOH = −8 mA
VCC = 3.0 V; IOH = −32 mA
VOL LOW-level output voltage VCC = 2.7 V; IOL = 100 µA
2.0 - - V
- - 0.8
VCC − 0.2 VCC − 0.1 - V
2.4 2.5 -
2.0 2.2 - V
0.1 0.2 V
VCC = 2.7 V; IOL = 24 mA
- 0.3 0.5 V
VCC = 3.0 V; IOL = 16 mA
- 0.25 0.4 V
VCC = 3.0 V; IOL = 32 mA
- 0.3 0.5 V
VCC = 3.0 V; IOL = 64 mA
II
input leakage current
control pins
VCC = 0 V or 3.6 V; VI = 5.5 V
VCC = 3.6 V; VI = VCC or GND
I/O data pins
-
-
-
[2]
0.4 0.55 V
1 10 µA
±0.1 ±1 µA
IOFF
ILO
IO(pu/pd)
IBHL
IBHH
IBHLO
power-off leakage current
output leakage current
power-up/power-down
output current
bus hold LOW current
bus hold HIGH current
bus hold LOW
overdrive current
VCC = 3.6 V; VI = 5.5 V
VCC = 3.6 V; VI = VCC
VCC = 3.6 V; VI = 0 V
VCC = 0 V; VI or VO = 0 V to 4.5 V
VO = 5.5 V; VCC = 3.6 V; output HIGH
VCC ≤ 1.2 V VO = 0.5 V to VCC;
VI = GND or VCC; OE = don’t care
VCC = 3.0 V; VI = 0.8 V
VCC = 3.0 V; VI = 2.0 V
VCC = 0 V to 3.0 V; VI = 3.6 V
-
-
−5
-
-
[3] -
[4] 75
−150
500
1 20 µA
0.1 1 µA
−1 - µA
1 ±100 µA
60 125 µA
15 ±100 µA
150 - µA
−75 - µA
- - µA
74LVT245B_2
Product data sheet
Rev. 02 — 8 May 2008
© NXP B.V. 2008. All rights reserved.
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