參數(shù)資料
型號(hào): TMS320C6727BGDH275
廠商: Texas Instruments, Inc.
元件分類: 數(shù)字信號(hào)處理
英文描述: Floating-Point Digital Signal Processors
中文描述: 浮點(diǎn)數(shù)字信號(hào)處理器
文件頁數(shù): 35/114頁
文件大?。?/td> 1030K
代理商: TMS320C6727BGDH275
www.ti.com
4.5 Parameter Information
4.5.1
Parameter Information Device-Specific Information
Transmission Line
4.0 pF
1.85 pF
Z0 = 50
(see note)
Tester Pin Electronics
Data Sheet Timing Reference Point
Output
Under
Test
42
3.5 nH
Device Pin
(see note)
V
ref
= 1.5 V
V
ref
= V
IL
MAX (or V
OL
MAX)
V
ref
= V
IH
MIN (or V
OH
MIN)
TMS320C6727B, TMS320C6726B, TMS320C6722B, TMS320C6720
Floating-Point Digital Signal Processors
SPRS370–SEPTEMBER 2006
A.
The data sheet provides timing at the device pin. For output timing analysis, the tester pin electronics and its
transmission line effects must be taken into account. A transmission line with a delay of 2 ns or longer can be used to
produce the desired transmission line effect. The transmission line is intended as a load only. It is not neccessary to
add
or
subtract
the
transmission
line
delay
(2
Input requirements in this data sheet are tested with an input slew rate of < 4 Volts per nanosecond (4 V/ns) at the
device pin.
ns
or
longer)
from
the
data
sheet
timings.
Figure 4-1. Test Load Circuit for AC Timing Measurements
4.5.1.1
Signal Transition Levels
All input and output timing parameters are referenced to 1.5 V for both "0" and "1" logic levels.
Figure 4-2. Input and Output Voltage Reference Levels for AC Timing Measurements
All rise and fall transition timing parameters are referenced to V
IL
MAX and V
IH
MIN for input clocks,
V
OL
MAX and V
OH
MIN for output clocks.
Figure 4-3. Rise and Fall Transition Time Voltage Reference Levels
4.5.1.2
Signal Transition Rates
All timings are tested with an input edge rate of 4 Volts per nanosecond (4 V/ns).
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Peripheral and Electrical Specifications
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