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PDF 74LVTH16245B Data sheet ( Hoja de datos )
| Número de pieza | 74LVTH16245B | |
| Descripción | 3.3V 16-bit transceiver | |
| Fabricantes | NXP Semiconductors | |
| Logotipo |  |
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74LVT16245B; 74LVTH16245B
3.3 V 16-bit transceiver; 3-state
Rev. 10 — 1 March 2012
Product data sheet
1. General description
The 74LVT16245B; 74LVTH16245B is a high-performance BiCMOS product designed for
VCC operation at 3.3 V.
This device is a 16-bit 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 input (nOE) for easy
cascading and a direction input (nDIR) for direction control.
2. Features and benefits
16-bit bidirectional bus interface
3-state buffers
Output capability: +64 mA and 32 mA
TTL input and output switching levels
Input and output interface capability to systems at 5 V supply
Bus hold data inputs eliminate need for external pull-up resistors to hold unused inputs
Live insertion and extraction permitted
Power-up 3-state
No bus current loading when output is tied to 5 V bus
Latch-up protection:
JESD78B Class II exceeds 500 mA
ESD protection:
HBM JESD22-A114F exceeds 2000 V
MM JESD22-A115-A exceeds 200 V
1 page  
NXP Semiconductors
74LVT16245B; 74LVTH16245B
3.3 V 16-bit transceiver; 3-state
terminal 1
index area
D1 A32 A31 A30 A29 A28 A27 D4
A1 D5
B20 B19 B18
D8 A26
A2
B1
A3
B2
A4
B3
A5
B4
A6
B5
A7
B6
A8
B7
A9
A10 D6
74LVT16245B
74LVTH16245B
GND(1)
B8 B9 B10
A25
B17
A24
B16
A23
B15
A22
B14
A21
B13
A20
B12
A19
B11
A18
D7 A17
D2 A11 A12 A13 A14 A15 A16 D3
Transparent top view
001aaj656
(1) This is not a supply pin, the substrate is attached to this pad using conductive die attach material. There is no electrical or
mechanical requirement to solder this pad however if it is soldered the solder land should remain floating or be connected to
GND.
Fig 5. Pin configuration SOT1134-2 (HXQFN60)
74LVT_LVTH16245B
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 10 — 1 March 2012
© NXP B.V. 2012. All rights reserved.
5 of 19
5 Page 
NXP Semiconductors
74LVT16245B; 74LVTH16245B
3.3 V 16-bit transceiver; 3-state
VI
negative
pulse
0V
VI
positive
pulse
0V
90 %
10 %
VM
10 %
tf
tr
90 %
VM
tW
tW
VM
tr
tf
VM
VCC
PULSE
GENERATOR
VI
DUT
VO
RT
VEXT
RL
CL RL
001aae235
Fig 8.
Test data is given in Table 9.
Definitions test circuit:
RL = Load resistance.
CL = Load capacitance including jig and probe capacitance.
RT = Termination resistance should be equal to output impedance Zo of the pulse generator.
VEXT = External voltage for measuring switching times.
Test circuit for measuring switching times
Table 9.
Input
VI
2.7 V
Test data
fi
10 MHz
tW
500 ns
tr, tf
2.5 ns
Load
CL
50 pF
RL
500
VEXT
tPHZ, tPZH
GND
tPLZ, tPZL
6V
tPLH, tPHL
open
74LVT_LVTH16245B
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 10 — 1 March 2012
© NXP B.V. 2012. All rights reserved.
11 of 19
11 Page | ||
| Páginas | Total 19 Páginas | |
| PDF Descargar | [ Datasheet 74LVTH16245B.PDF ] | |
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