参数资料
型号: IDT74ALVCH32245BF8
厂商: IDT, Integrated Device Technology Inc
文件页数: 1/7页
文件大小: 0K
描述: IC TRANSCVR TRI-ST 32BIT 96LFBGA
标准包装: 3,000
系列: 74ALVCH
逻辑类型: 收发器,非反相
元件数: 4
每个元件的位元数: 8
输出电流高,低: 24mA,24mA
电源电压: 2.7 V ~ 3.6 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 96-LFBGA
供应商设备封装: 96-CABGA(13.5x5.5)
包装: 带卷 (TR)
其它名称: 74ALVCH32245BF8
INDUSTRIALTEMPERATURERANGE
IDT74ALVCH32245
3.3V CMOS 32-BIT BUS TRANSCEIVER WITH 3-STATE OUTPUTS
1
AUGUST 2009
INDUSTRIAL TEMPERATURE RANGE
IDT and the IDT logo are registered trademarks of Integrated Device Technology, Inc.
2009 Integrated Device Technology, Inc.
DSC-4907/6
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 96-ball LFBGA package
FUNCTIONAL BLOCK DIAGRAM
DRIVE FEATURES:
High Output Drivers: ±24mA
Suitable for Heavy Loads
APPLICATIONS:
3.3V high speed systems
3.3V and lower voltage computing systems
IDT74ALVCH32245
3.3V CMOS 32-BIT
BUS TRANSCEIVER
WITH 3-STATE OUTPUTS
AND BUS-HOLD
DESCRIPTION:
This 32-bit bus transceiver is built using advanced dual metal CMOS
technology. This high-speed, low power transceiver is ideal for asynchro-
nous communication between two busses (A and B). The Direction and
Output Enable controls are designed to operate the device as either four
independent 8-bit transceivers or one 32-bit transceiver. The direction
control pins (DIR) control the direction of data flow. The output enable pins
(
OE) override the direction control and disable both ports. All inputs are
designed with hysteresis for improved noise margin.
The ALVCH32245 has been designed with a ±24mA output driver. This
driver is capable of driving a moderate to heavy load while maintaining
speed performance.
The ALVCH32245 has “bus-hold” which retains the inputs’ last state
whenever the input bus goes to a high impedance. This prevents floating
inputs and eliminates the need for pull-up/down resistors.
1
DIR
1
A1
1
B1
1
OE
TO SEVEN OTHER CHANNELS
3
DIR
3
A1
3
B1
3
OE
2
DIR
2
A1
2
B1
2
OE
4
DIR
4
A1
4
B1
4
OE
A3
A5
H3
E5
A4
A2
H4
E2
J3
J5
J4
J2
T3
N5
T4
N2
TO SEVEN OTHER CHANNELS
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