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74LVCH16245A の電気的特性と機能

74LVCH16245AのメーカーはNXP Semiconductorsです、この部品の機能は「16-bit bus transceiver」です。


製品の詳細 ( Datasheet PDF )

部品番号 74LVCH16245A
部品説明 16-bit bus transceiver
メーカ NXP Semiconductors
ロゴ NXP Semiconductors ロゴ 




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74LVCH16245A Datasheet, 74LVCH16245A PDF,ピン配置, 機能
74LVC16245A; 74LVCH16245A
16-bit bus transceiver with direction pin; 5 V tolerant; 3-state
Rev. 08 — 6 November 2008
Product data sheet
1. General description
The 74LVC16245A; 74LVCH16245A are 16-bit transceivers featuring non-inverting
3-state bus compatible outputs in both send and receive directions. The device features
two output enable (nOE) inputs for easy cascading and two send/receive (nDIR) inputs for
direction control. nOE controls the outputs so that the buses are effectively isolated. This
device can be used as two 8-bit transceivers or one 16-bit transceiver.
Inputs can be driven from either 3.3 V or 5 V devices. When disabled, up to 5.5 V can be
applied to the outputs. These features allow the use of these devices in mixed
3.3 V and 5 V applications.
The 74LVCH16245A bus hold on data inputs eliminates the need for external pull-up
resistors to hold unused inputs.
2. Features
I 5 V tolerant inputs/outputs for interfacing with 5 V logic
I Wide supply voltage range from 1.2 V to 3.6 V
I CMOS low power consumption
I MULTIBYTE flow-through standard pin-out architecture
I Low inductance multiple power and ground pins for minimum noise and ground
bounce
I Direct interface with TTL levels
I High-impedance when VCC = 0 V
I All data inputs have bus hold. (74LVCH16245A only)
I Complies with JEDEC standard JESD8-B / JESD36
I ESD protection:
N HBM JESD22-A114E exceeds 2000 V
N CDM JESD22-C101C exceeds 1000 V
I Specified from 40 °C to +85 °C and 40 °C to +125 °C

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74LVCH16245A pdf, ピン配列
NXP Semiconductors
74LVC16245A; 74LVCH16245A
16-bit bus transceiver with direction pin; 5 V tolerant; 3-state
Fig 2. IEC logic symbol
Fig 3. Bus hold circuit
1OE
1DIR
2OE
2DIR
1A0
1A1
1A2
1A3
1A4
1A5
1A6
1A7
2A0
2A1
2A2
2A3
2A4
2A5
2A6
2A7
G3
3EN1[BA]
3EN2[AB]
G6
6EN1[BA]
6EN2[AB]
1 1B0
2
4
1B1
1B2
1B3
1B4
1B5
1B6
1B7
2B0
5
2B1
2B2
2B3
2B4
2B5
2B6
2B7
001aaa790
VCC
data input
to internal circuit
mna705
74LVC_LVCH16245A_8
Product data sheet
Rev. 08 — 6 November 2008
© NXP B.V. 2008. All rights reserved.
3 of 19


3Pages


74LVCH16245A 電子部品, 半導体
NXP Semiconductors
74LVC16245A; 74LVCH16245A
16-bit bus transceiver with direction pin; 5 V tolerant; 3-state
5.2 Pin description
Table 2. Pin description
Symbol Pin
Description
SOT370-1 and
SOT362-1
SOT702-1
SOT1025-1
1DIR, 2DIR 1, 24
A1, K1
A30, A13
direction control input
1B0 to 1B7 2, 3, 5, 6, 8, 9, 11, B2, B1, C2, C1, D2, D1, B20, A31, D5, D1, A2,
12 E2, E1
B2, B3, A5
data input/output
2B0 to 2B7 13, 14, 16, 17, 19, F1, F2, G1, G2, H1, H2, A6, B5, B6, A9, D2, D6, data input/output
20, 22, 23
J1, J2
A12, B8
GND
4, 10, 15, 21, 28, B3, B4, D3, D4, G3, G4, A32, A3, A8, A11, A16, ground (0 V)
34, 39, 45
J3, J4
A19, A24, A27
VCC 7, 18, 31, 42
1OE, 2OE 48, 25
C3, C4, H3, H4
A6, K6
A1, A10, A17, A26
A29, A14
supply voltage
output enable input (active LOW)
1A0 to 1A7 47, 46, 44, 43, 41, B5, B6, C5, C6, D5, D6, B18, A28, D8, D4, A25, data input/output
40, 38, 37
E5, E6
B16, B15, A22
2A0 to 2A7 36, 35, 33, 32, 30, F6, F5, G6, G5, H6, H5, A21, B13, B12, A18, D3, data input/output
29, 27, 26
J6, J5
D7, A15, B10
n.c. -
A2, A3, A4, A5, K2, K3,
K4, K5
A4, A7, A20, A23, B1,
B4, B7, B9, B11, B14,
B17, B19
not connected
6. Functional description
Table 3.
Inputs
nOE
L
L
H
Function table[1]
nDIR
L
H
X
Outputs
nAn
A=B
inputs
Z
[1] H = HIGH voltage level; L = LOW voltage level; X = don’t care; Z = high-impedance OFF-state.
nBn
inputs
B=A
Z
74LVC_LVCH16245A_8
Product data sheet
Rev. 08 — 6 November 2008
© NXP B.V. 2008. All rights reserved.
6 of 19

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共有リンク

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