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參數(shù)資料
| 型號： | UT7R995-XWX |
| 廠商： | Aeroflex Inc. |
| 英文描述： | RadHard 2.5V/3.3V 200MHz High-Speed Multi-phase PLL Clock Buffer |
| 中文描述： | RadHard 2.5V/3.3V的200MHz的高速多相PLL時鐘緩沖器 |
| 文件頁數(shù)： | 11/22頁 |
| 文件大?。?/td> | 185K |
| 代理商： | UT7R995-XWX |
11
6.0 DC INPUT ELECTRICAL CHARACTERISTICS (Pre- and Post-Radiation)*
(V
DD
= +3.3V + 0.3V; T
C
= -55
°
C to +125
°
C) (For "W" screening, T
C
= -40
°
C to +125
°
C)
Symbol
Description
Notes:
* Post-radiation performance guaranteed at 25
°
C per MIL-STD-883 Method 1019, Condition A up to a TID level of 1.0E6 rad(Si).
1. These inputs are normally wired to V
DD
, V
SS
, or left unconnected. Internal termination resistors bias unconnected inputs to V
DD
/2 + 0.3V. The 3-level inputs
include: TEST, PD/DIV, PE/HD, FS, nF[1:0], DS[1:0].
2. Capacitance is measured for initial qualification and when design changes may affect the input/output capacitance. Capacitance is measured between the designated
terminal and V
SS
at a frequency of 1MHz and a signal amplitude of 50mV rms maximum.
3. Pin FS is guaranteed by functional testing.
4. For pin FB, this specification is supplied as a design limit, but is neither guaranteed nor tested.
Conditions
Min.
Max.
Units
V
IH 4
High-level input voltage
(XTAL1, FB and sOE inputs)
2.0
--
V
V
IL 4
Low-level input voltage
(XTAL1, FB and sOE inputs)
--
0.8
V
V
IHH 1, 3
High-level input voltage
V
DD
- 0.6
--
V
V
IMM 1, 3
Mid-level input voltage
V
DD
÷
2 - 0.3
V
DD
÷
2 + 0.3
V
V
ILL 1, 3
Low-level input voltage
--
0.6
V
I
IL
Input leakage current
(XTAL1, FB and sOE inputs)
V
IN
= V
DD
or V
SS;
V
DD
= Max
-5
5
μ
A
I
3L 1
3-Level input DC current
HIGH, V
IN
= V
DD
--
200
μ
A
MID, V
IN
= V
DD
/2
-50
50
μ
A
LOW, V
IN
= V
SS
-200
--
μ
A
I
DDPD
Power-down current
V
DD
= V
DD
Qn = +3.0V;
TEST & sOE = HIGH;
XTAL1, PD/DIV, FB, FS, & PE/
HD = LOW;
All other inputs are floated;
Outputs are not loaded
T
C
= +
25
°
C
--
100
μ
A
T
C
= +1
25
°
C
--
150
μ
A
T
C
= -
55
°
C
--
4.5
mA
C
IN-2L 2
Input pin capacitance
2-level inputs
f
= 1MHz @ 0V; V
DD
= Max
8.5
pF
C
IN-3L 2
Input pin capacitance
3-level inputs
f
= 1MHz @ 0V; V
DD
= Max
15
pF
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