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參數(shù)資料
| 型號： | IDT74ALVCH16952 |
| 廠商： | Integrated Device Technology, Inc. |
| 英文描述： | 3.3V CMOS 16-BIT REGISTERED TRANSCEIVER WITH 3-STATE OUTPUTS AND BUS-HOLD |
| 中文描述： | 3.3V的CMOS 16位注冊收發(fā)器三態(tài)輸出和總線狀態(tài)保持 |
| 文件頁數(shù)： | 1/6頁 |
| 文件大?。?/td> | 80K |
| 代理商： | IDT74ALVCH16952 |
INDUSTRIAL TEMPERATURE RANGE
IDT74ALVCH16952
3.3V CMOS 16-BIT REGISTERED TRANSCEIVER WITH 3-STATE OUTPUTS
1
MARCH 1999
INDUS T RIAL T E MPE RAT URE RANGE
The IDT logo is a registered trademark of Integrated Device Technology, Inc.
1999 Integrated Device Technology, Inc.
DSC-4227/1
FEATURES:
0.5 MICRON CMOS Technology
Typical t
SK(o)
(Output Skew) < 250ps
ESD > 2000V per MIL-STD-883, Method 3015; > 200V using
machine model (C = 200pF, R = 0)
V
CC
= 3.3V ± 0.3V, Normal Range
V
CC
= 2.7V to 3.6V, Extended Range
V
CC
= 2.5V ± 0.2V
CMOS power levels (0.4
μ
W typ. static)
Rail-to-Rail output swing for increased noise margin
Available in SSOP, TSSOP, and TVSOP packages
FUNCTIONAL BLOCK DIAGRAM
IDT74ALVCH16952
APPLICATIONS:
3.3V high speed systems
3.3V and lower voltage computing systems
DRIV E FEATURES:
High Output Drivers: ±24mA
Suitable for heavy loads
3.3V CMOS 16-BIT
REGISTERED TRANSCEIVER
WITH 3-STATE OUTPUTS
AND BUS-HOLD
DESCRIPTION:
This 16-bit registered transceiver is built using advanced dual metal
CMOS technology. The ALVCH16952 contains two sets of D-type flip-flops
for temporary storage of data flowing in either direction. This device can be
used as two 8-bit transceivers or one 16-bit transceiver. Data on the A or
B bus is stored in the registers on the low-to-high transition of the clock
(CLKAB or CLKBA) input provided that the clock-enable (
CLKENAB
or
CLKENBA
) input is low. Taking the output-enable (
OEAB
or
OEBA
) input
low accesses the data on either port.
The ALVCH16952 has been designed with a ±24mA output driver. This
driver is capable of driving a moderate to heavy load while maintaining
speed performance.
The ALVCH16952 has “bus-hold” which retains the inputs’ last state
whenever the input bus goes to a high impedance. This prevents floating
inputs and elimnates the need for pull-up/down resistors.
C
CE
D
C
CE
D
1
OEAB
1
CLKENAB
1
CLKAB
1
OEBA
1
A
1
1
B
1
TO SEVEN OTHER CHANNELS
1
CLKENBA
1
CLKBA
54
55
1
3
2
56
5
52
C
CE
D
C
CE
D
2
OEAB
2
CLKENAB
2
CLKAB
2
OEBA
2
A
1
2
B
1
TO SEVEN OTHER CHANNELS
2
CLKENBA
2
CLKBA
31
30
28
26
27
29
15
42
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