ALVC16245 반도체 회로 부품 판매점
16 Bit Bus Transceiver with 3-State Outputs
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 INTERNATIONAL MICROCIRCUITS |
Preliminary
ALVC16245
16 Bit Bus Transceiver with 3-State Outputs
Product Features
• 16 bit transceiver with nibble output enable control
• Output buffers have controlled edge rates.
• 1.65V to 3.6V voltage range
• 2 KV ESD protection
• Latch-up performance exceeds 250 mA per
JESD17
• Extended temperature range of -40°C to + 85°C
• 48 pin SSOP, TSSOP, and TVSOP package
availability.
Product Description
The ALVC16245 is designed specifically for
asynchronous communication between data buses.
The control-function implementation minimizes
external timing requirements.
Block Diagram
Product Description (Cont.)
The device can be used as two 8-bit transceivers, or
one 16-bit transceiver. It allows data transmission for
the A bus to the B bus or from the B bus to the A bus,
depending on the logic level at the direction-control
(DIR) input. The output-enable (OE) input can be
used to disable the device so that the buses are
effectively isolated.
The outputs, which are designed to sink up to 24 mA,
include controlled edge rates to reduce overshoot and
undershoot.
To ensure the high-impedance state during power up
or power down, OE should be tied to VDD through a
pullup resistor; the minimum value of the resistor is
determined by the current-sinking capability of the
driving device.
Pin Description
1DIR 1
1A1 47
1A2 46
1A3 44
1A4 43
1A5 41
1A6 40
1A7 38
1A8 37
1OE
48
1B1
2
1B2
3
1B3
5
1B4
6
1B5
8
1B6
9
1B7
11
12
1B8
2DIR 24
2A1 36
2A2 35
2A3 33
2A4 32
2A5 30
2A6 29
2A7 27
2A8 26
2OE
25
2B1
13
2B2
14
2B3
16
2B4
17
2B5
19
2B6
20
2B7
22
23
2B8
1DIR
1B1
1B2
VSS
1B3
1B4
VDD
1B5
1B6
VSS
1B7
1B8
2B1
2B2
VSS
2B3
2B4
VDD
2B5
2B6
VSS
2B7
2B8
2DIR
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
48 1OE
47 1A1
46 1A2
45 VSS
44 1A3
43 1A4
42 VDD
41 1A5
40 1A6
39 VSS
38 1A7
37 1A8
36 2A1
35 2A2
34 VSS
33 2A3
32 2A4
31 VDD
30 2A5
29 2A6
28 VSS
27 2A7
26 2A8
25 2OE
INTERNATIONAL MICROCIRCUITS, INC. 525 LOS COCHES ST.
MILPITAS, CA 95035. TEL: 408-263-6300. FAX 408-263-6571
http://www.imicorp.com
Rev.1.0
8/7/2000
Page 1 of 9
Free Datasheet http://www.datasheet4u.com/
Preliminary
ALVC16245
16 Bit Bus Transceiver with 3-State Outputs
Pin Description
Pin Number
25, 48
4, 10, 15, 21, 28, 34, 39, 45
7, 18, 31,42
2, 3, 5, 6, 8, 9, 11, 12 , 13,
14, 16, 17, 19, 20, 22, 23
47, 46, 44, 43, 41, 40, 38, 37
36, 35, 33, 32, 30, 29, 27, 26
1, 48
Pin Name
nOE
VSS
VDD
1B1 to 1B8
2B1 to 2B8
1A1 to 1A8
2A1 to 2A8
1DIR, 2DIR
Description
Output enable input (active LOW)
Ground (0V)
Positive supply voltage
Data inputs (or 3-state Outputs)
Data inputs (or 3-state Outputs
Direction Control Inputs
Function Table (each 8-bit section)(1)
Inputs
Outputs
nOE
nDIR
L L B data to A bus
L H A data to B bus
H X High Z state
Note:
H = HIGH voltage level
L = LOW voltage level
X = Don’t Care
Capacitance Table
Symbol Parameter(1) Cond.
Typ Max Unit
Cin
Input Cap.
Vin = 0V 5
7
pF
Cout
Output Cap. Vout = 0V 7
9
pF
CI/O
I/O Port Cap. Vin = 0V 7
9
pF
Note1: As applicable to device type.
INTERNATIONAL MICROCIRCUITS, INC. 525 LOS COCHES ST.
MILPITAS, CA 95035. TEL: 408-263-6300. FAX 408-263-6571
http://www.imicorp.com
Rev.1.0
8/7/2000
Page 2 of 9
Free Datasheet http://www.datasheet4u.com/
|
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제조업체: INTERNATIONAL MICROCIRCUITS
( im )
ALVC16245 transceiver
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