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PDF 74LVT245 Data sheet ( Hoja de datos )
| Número de pieza | 74LVT245 | |
| Descripción | 3.3V Octal transceiver | |
| Fabricantes | NXP Semiconductors | |
| Logotipo |  |
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74LVT245
3.3 V octal transceiver with direction pin (3-state)
Rev. 4 — 24 December 2013
Product data sheet
1. General description
The 74LVT245 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. It features an output enable (OE) input for easy cascading
and a direction (DIR) input for direction control.
2. Features and benefits
3-state buffers
Octal bidirectional bus interface
Input and output interface capability to systems at 5 V supply
TTL input and output switching levels
Output capability: +64 mA/32 mA
Latch-up protection exceeds 500 mA per JESD78 class II level A
ESD protection:
HBM JESD22-A114E exceeds 2000 V
MM JESD22-A115-A exceeds 200 V
Bus-hold data inputs eliminate the need for external pull-up resistors for unused inputs
Live insertion/extraction permitted
Power-up 3-state
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
74LVT245D 40 C to +85 C SO20
plastic small outline package; 20 leads;
body width 7.5 mm
74LVT245DB 40 C to +85 C
SSOP20
plastic shrink small outline package; 20 leads;
body width 5.3 mm
74LVT245PW 40 C to +85 C
TSSOP20 plastic thin shrink small outline package; 20 leads;
body width 4.4 mm
74LVT245BQ 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
1 page  
NXP Semiconductors
74LVT245
3.3 V octal transceiver with direction pin (3-state)
Table 5. Recommended operating conditions …continued
Symbol Parameter
Conditions
Min Max Unit
IOL LOW-level output current
- 32 mA
current duty cycle 50 %; fi 1 kHz
-
64 mA
Tamb
ambient temperature
in free air
40 +85 C
t/V input transition rise and fall rate output enabled
- 10 ns/V
9. Static characteristics
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
2.0 - - V
VIL LOW-level input voltage
VOH HIGH-level output voltage VCC = 2.7 V to 3.6 V; IOH = 100 A
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 A
- - 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
VCC = 3.0 V; IOL = 16 mA
- 0.3 0.5 V
- 0.25 0.4 V
VCC = 3.0 V; IOL = 32 mA
- 0.3 0.5 V
VCC = 3.0 V; IOL = 64 mA
- 0.4 0.55 V
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]
1 10 A
0.1 1 A
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] -
75
-
[4] 500
1 20 A
0.1 1 A
1 - A
1 100 A
60 125 A
15 100 A
150
150
-
- A
75 A
- A
IBHHO
bus hold HIGH
overdrive current
VCC = 0 V to 3.0 V; VI = 3.6 V
[4] -
- 500 A
74LVT245
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 4 — 24 December 2013
© NXP B.V. 2013. All rights reserved.
5 of 16
5 Page 
NXP Semiconductors
74LVT245
3.3 V octal transceiver with direction pin (3-state)
TSSOP20: plastic thin shrink small outline package; 20 leads; body width 4.4 mm
SOT360-1
y
Z
20
D
c
11
EA
X
HE v M A
pin 1 index
1
e
10
wM
bp
A2
A1
Q
(A3)
A
Lp
L
detail X
θ
0 2.5 5 mm
scale
DIMENSIONS (mm are the original dimensions)
UNIT
A
max.
A1
A2
A3
bp
c
mm
1.1
0.15
0.05
0.95
0.80
0.25
0.30
0.19
0.2
0.1
D (1) E (2)
e
6.6
6.4
4.5
4.3
0.65
HE
6.6
6.2
Notes
1. Plastic or metal protrusions of 0.15 mm maximum per side are not included.
2. Plastic interlead protrusions of 0.25 mm maximum per side are not included.
OUTLINE
VERSION
IEC
REFERENCES
JEDEC
JEITA
SOT360-1
MO-153
L Lp Q v w y Z (1) θ
1
0.75 0.4
0.50 0.3
0.2 0.13 0.1
0.5
0.2
8o
0o
EUROPEAN
PROJECTION
ISSUE DATE
99-12-27
03-02-19
Fig 10. Package outline SOT360-1 (TSSOP20)
74LVT245
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 4 — 24 December 2013
© NXP B.V. 2013. All rights reserved.
11 of 16
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| Páginas | Total 16 Páginas | |
| PDF Descargar | [ Datasheet 74LVT245.PDF ] | |
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