74ALVC164245DL(2010) 查看數據表（PDF） - NXP Semiconductors.
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74ALVC164245DL Datasheet PDF : 20 Pages
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NXP Semiconductors
74ALVC164245
16-bit dual supply translating transceiver; 3-state
5.2 Pin description
Table 2. Pin description
Symbol Pin
SOT370-1 and SOT362-1
1DIR, 2DIR 1, 24
1B0 to 1B7 2, 3, 5, 6, 8, 9, 11, 12
2B0 to 2B7 13, 14, 16, 17, 19, 20, 22, 23
GND
4, 10, 15, 21, 28, 34, 39, 45
VCC(B)
7, 18
1OE, 2OE 48, 25
1A0 to 1A7 47, 46, 44, 43, 41, 40, 38, 37
2A0 to 2A7 36, 35, 33, 32, 30, 29, 27, 26
VCC(A)
n.c.
31, 42
-
SOT1134-1
A30, A13
B20, A31, D5, D1, A2, B2, B3, A5
A6, B5, B6, A9, D2, D6, A12, B8
A32, A3, A8, A11, A16, A19, A24, A27
A1, A10,
A29, A14
B18, A28, D8, D4, A25, B16, B15, A22
A21, B13, B12, A18, D3, D7, A15, B10
A17, A26
A4, A7, A20, A23, B1, B4, B7, B9, B11,
B14, B17, B19
Description
direction control input
data input/output
data input/output
ground (0 V)
supply voltage B (5 V bus)
output enable input (active LOW)
data input/output
data input/output
supply voltage A (3 V bus)
not connected
6. Functional description
Table 3.
Inputs
nOE
L
L
H
Function table[1]
nDIR
L
H
X
Outputs
nAn
nAn = nBn
inputs
Z
[1] H = HIGH voltage level; L = LOW voltage level; X = don’t care; Z = high-impedance OFF-state.
nBn
inputs
nBn = nAn
Z
7. Limiting values
Table 4. Limiting values
In accordance with the Absolute Maximum Rating System (IEC 60134). Voltages are referenced to GND (ground = 0 V). See
[1].
Symbol
Parameter
Conditions
Min
Max
Unit
VCC(B)
VCC(A)
IIK
VI
VI/O
IOK
VO
supply voltage B
supply voltage A
input clamping current
input voltage
input/output voltage
output clamping current
output voltage
VCC(B) ≥ VCC(A)
VCC(B) ≥ VCC(A)
VI < 0 V
VO > VCC or VO < 0 V
output HIGH or LOW
output 3-state
−0.5
−0.5
−50
[2] −0.5
−0.5
-
[2] −0.5
[2] −0.5
+6.0
V
+4.6
V
-
mA
+6.0
V
VCC + 0.5 V
±50
mA
VCC + 0.5 V
+6.0
V
IO(sink/source)
output sink or source
current
VO = 0 V to VCC
-
±50
mA
ICC
supply current
-
100
mA
74ALVC164245_5
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 05 — 13 April 2010
© NXP B.V. 2010. All rights reserved.
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