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| 型号： | IDT74ALVCH16245PV8 |
| 厂商： | INTEGRATED DEVICE TECHNOLOGY INC |
| 元件分类： | 总线收发器 |
| 英文描述： | ALVC/VCX/A SERIES, DUAL 8-BIT TRANSCEIVER, TRUE OUTPUT, PDSO48 |
| 封装： | SSOP-48 |
| 文件页数： | 1/6页 |
| 文件大小： | 93K |
| 代理商： | IDT74ALVCH16245PV8 |
INDUSTRIALTEMPERATURERANGE
IDT74ALVCH16245
3.3V CMOS 16-BIT BUS TRANSCEIVER WITH 3-STATE OUTPUTS
1
MARCH 1999
INDUSTRIAL TEMPERATURE RANGE
The IDT logo is a registered trademark of Integrated Device Technology, Inc.
1999 Integrated Device Technology, Inc.
DSC-4697/2
FEATURES:
0.5 MICRON CMOS Technology
Typical tSK(o) (Output Skew) < 250ps
ESD > 2000V per MIL-STD-883, Method 3015; > 200V using
machine model (C = 200pF, R = 0)
VCC = 3.3V ± 0.3V, Normal Range
VCC = 2.7V to 3.6V, Extended Range
VCC = 2.5V ± 0.2V
CMOS power levels (0.4
μμμμμ W typ. static)
Rail-to-Rail output swing for increased noise margin
Available in SSOP, TSSOP, and TVSOP packages
FUNCTIONAL BLOCK DIAGRAM
IDT74ALVCH16245
3.3V CMOS 16-BIT BUS
TRANSCEIVER WITH
3-STATE OUTPUTS
AND BUS-HOLD
DESCRIPTION:
This 16-bit bus transceiver is built using advanced dual metal CMOS
technology.TheALVCH16245isdesignedforasynchronouscommunication
betweendatabuses.Thecontrol-functionimplementationminimizesexternal
timingrequirements.
Thisdevicecanbeusedastwo8-bittransceiversorone16-bittransceiver.
It allows data transmission from 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)inputcanbeusedtodisablethedevicesothatthebuses
are effectively isolated.
The ALVCH16245 has been designed with a ±24mA output driver. This
driver is capable of driving a moderate to heavy load while maintaining speed
performance.
The ALVCH16245 has “bus-hold” which retains the inputs’ last state
whenevertheinputbusgoestoahighimpedance.Thispreventsfloatinginputs
and eliminates the need for pull-up/down resistors.
APPLICATIONS:
3.3V high speed systems
3.3V and lower voltage computing systems
DRIVE FEATURES:
High Output Drivers: ±24mA
Suitable for heavy loads
1
DIR
1
A1
1
A2
1
A3
1
A4
1
A5
1
A6
1
A7
1
A8
1
B8
1
B7
1
B6
1
B5
1
B4
1
B3
1
B2
1
B1
1
OE
2
DIR
2
A1
2
A2
2
A3
2
A4
2
A5
2
A6
2
A7
2
A8
2
B8
2
B7
2
B6
2
B5
2
B4
2
B3
2
B2
2
B1
2
OE
1
47
46
44
43
41
40
38
37
12
11
9
8
6
5
3
2
48
24
36
35
33
32
30
29
27
26
23
22
20
19
17
16
14
13
25
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