74cbtlvd3244 NXP Semiconductors, 74cbtlvd3244 Datasheet - Page 4

• Manufacturer Part Number: 74cbtlvd3244
• Description: 8-bit Level-shifting Bus Switch With 4-bit Output Enables
• Manufacturer: NXP Semiconductors

NXP Semiconductors
Table 2.
6. Functional description
Table 3.
[1]
74CBTLVD3244
Product data sheet
Symbol
1OE, 2OE
1A1 to 1A4
2B1 to 2B4
GND
2A1 to 2A4
1B1 to 1B4
V
Input
nOE
L
H
Fig 5.
CC
H = HIGH voltage level; L = LOW voltage level; Z = high-impedance OFF-state.
(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.
Pin configuration for DHVQFN20 (SOT764-1)
Pin description
Function selection
5.2 Pin description
Pin
1, 19
2, 4, 6, 8
9, 7, 5, 3
10
11, 13, 15, 17
18, 16, 14, 12
20
[1]
All information provided in this document is subject to legal disclaimers.
index area
terminal 1
Rev. 1 — 15 July 2011
1A1
2B4
1A2
2B3
1A3
2B2
1A4
2B1
Transparent top view
2
3
4
5
6
7
8
9
74CBTLVD3244
8-bit level-shifting bus switch with 4-bit output enables
Description
output enable input (active LOW)
data input/output (A port)
data input/output (A port)
ground (0 V)
data input/output (B port)
data input/output (B port)
positive supply voltage
GND
Input/output
nAn, nBn
nAn = nBn
Z
(1)
aaa-000027
19
18
17
16
15
14
13
12
2OE
1B1
2A4
1B2
2A3
1B3
2A2
1B4
74CBTLVD3244
© NXP B.V. 2011. All rights reserved.
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