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參數(shù)資料
| 型號： | IDT5T905 |
| 廠商： | Integrated Device Technology, Inc. |
| 英文描述： | 2.5V SINGLE DATA RATE 1:5 CLOCK BUFFER TERABUFFER |
| 中文描述： | 2.5V的單數(shù)據(jù)傳輸速率1:5時鐘緩沖器TERABUFFER |
| 文件頁數(shù)： | 8/17頁 |
| 文件大小： | 102K |
| 代理商： | IDT5T905 |
INDUSTRIAL TEMPERATURE RANGE
8
IDT5T905
2.5V SINGLE DATA RATE 1:5 CLOCK BUFFER TERABUFFER
DIFFERENT IAL INPUT AC T ES T CONDIT IONS FOR LV EPECL
Symbol
Parameter
V
DIF
Input Signal Swing
(1)
V
X
Differential Input Signal Crossing Point
(2)
V
THI
Input Timng Measurement Reference Level
(3)
t
R
, t
F
Input Signal Edge Rate
(4)
NOTES:
1. The 732mV peak-to-peak input pulse level is specified to allow consistent, repeatable results in an automatic test equipment (ATE) environment. Compliant devices must meet
the V
DIF
(AC) specification under actual use conditions.
2. A 1082mV crossing point level is specified to allow consistent, repeatable results in an automatic test equipment (ATE) environment. Compliant devices must meet the V
X
specification
under actual use conditions.
3. In all cases, input waveformtimng is marked at the differential cross-point of the input signals.
4. The input signal edge rate of 1V/ns or greater is to be maintained in the 20% to 80% range of the input waveform
Value
732
1082
Units
mV
mV
V
V/ns
Crossing Point
1
NOTES:
1. See RECOMMENDED OPERATING RANGE table.
2. For 2.5V LVTTL single-ended operation, the RxS pin is tied HIGH and
A
/V
REF
is tied to GND.
3. V
DIF
specifies the mnimuminput differential voltage (V
TR
- V
CP
) required for switching where V
TR
is the "true" input level and V
CP
is the "complement" input level. Differential mode
only. The DC differential voltage must be maintained to guarantee retaining the existing HIGH or LOW input. The AC differential voltage must be achieved to guarantee switching
to a new state.
4. V
CM
specifies the maximumallowable range of (V
TR
+ V
CP
) /2. Differential mode only.
5. For single-ended operation, in differential mode,
A
/V
REF
is tied to the DC voltage V
REF
.
6. Voltage required to maintain a logic HIGH, single-ended operation in differential mode.
7. Voltage required to maintain a logic LOW, single-ended operation in differential mode.
8. Typical values are at V
DD
= 2.5V, V
DDQ
= V
DD
, +25°C ambient.
9. The reference clock input is capable of HSTL, eHSTL, LVEPECL, 1.8V or 2.5V LVTTL operation independent of the device output. The correct input interface table should be
referenced.
10.For differential mode (RxS = LOW), A and
A
/V
REF
must be at the opposite rail.
DC ELECTRICAL CHARACTERISTICS OV ER OPERATING RANGE FOR 2.5V
LVTTL
(1)
Symbol
Parameter
Test Conditions
Input Characteristics
I
IH
Input HIGH Current
(10)
V
DD
= 2.6V
I
IL
Input LOW Current
(10)
V
DD
= 2.6V
V
IK
Clamp Diode Voltage
V
DD
= 2.4V, I
IN
= -18mA
V
IN
DC Input Voltage
Single-Ended Inputs
(2)
V
IH
DC Input HIGH
V
IL
DC Input LOW
Differential Inputs
V
DIF
DC Differential Voltage
(3,9)
V
CM
DC Common Mode Input Voltage
(4,9)
V
IH
DC Input HIGH
(5,6,9)
V
IL
DC Input LOW
(5,7,9)
V
REF
Single-Ended Reference Voltage
(5,9)
Output Characteristics
V
OH
Output HIGH Voltage
I
OH
= -12mA
I
OH
= -100
μ
A
V
OL
Output LOW Voltage
I
OL
= 12mA
I
OL
= 100
μ
A
Min.
Typ.
(8)
Max
Unit
V
I
= V
DDQ
/GND
V
I
= GND/V
DDQ
—
—
—
- 0.3
—
—
- 0.7
±5
±5
- 1.2
+3.6
μ
A
V
V
1.7
—
—
0.7
V
V
0.2
1150
—
1350
—
V
1250
mV
mV
mV
mV
V
REF
+ 100
—
—
V
REF
- 100
—
1250
V
DDQ
- 0.4
V
DDQ
- 0.1
—
—
—
—
0.4
0.1
V
V
V
V
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