參數(shù)資料
型號: NBSG53AMNR2
廠商: ON SEMICONDUCTOR
元件分類: 時鐘及定時
英文描述: 2.5V/3.3V SiGe Selectable Differential Clock and Data D Flip-Flop/Clock Divider with Reset and OLS
中文描述: 53 SERIES, LOW SKEW CLOCK DRIVER, 1 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), QCC16
封裝: 3 X 3 MM, QFN-16
文件頁數(shù): 3/18頁
文件大?。?/td> 133K
代理商: NBSG53AMNR2
NBSG53A
http://onsemi.com
3
Figure 3. Simplified Logic Diagram
D
D
SEL
CLK
CLK
VTD
V
CC
Q
Q
FlipFlop
(DIV/2)
FlipFlop
(DFF)
R
R
D
D
VTD
OLS
Q
Q
V
EE
VTCLK
VTCLK
R
75 k
75 k
50
50
50
50
0
1
2
2
2
2
2
2
2
Table 2. OUTPUT LEVEL SELECT (OLS)
OLS
Q/Q VPP
OLS Sensitivity
V
CC
800 mV
OLS 75 mV
V
CC
0.4 V
200 mV
OLS
150 mV
V
CC
0.8 V
600 mV
OLS
100 mV
V
CC
1.2 V
0
OLS
75 mV
V
EE
(Note 4)
400 mV
OLS + 100 mV
Float
600 mV
N/A
4. When an output level of 400 mV is desired and
V
CC
V
EE
> 3.0 V, 2.0 k resistor should be connected from
OLS to V
EE
.
Table 3. TRUTH TABLE
R
SEL
D
CLK
Q
Function
H
x
x
x
L
Reset
L
H
L
Z
L
DFF
L
H
H
Z
H
DFF
L
L
x
Z
Q
DIV/2
Z = LOW to HIGH Transition
Table 4. INTERFACING OPTIONS
INTERFACING OPTIONS
CONNECTIONS
CML
Connect VTCLK, VTD and VTCLK, VTD to V
CC
LVDS
Connect VTCLK, VTD and VTCLK, VTD Together
ACCOUPLED
Bias VTCLK, VTD and VTCLK, VTD Inputs within Common Mode Range (V
IHCMR
)
RSECL, PECL, NECL
Standard ECL Termination Techniques
LVTTL, LVCMOS
An External Voltage (V
THR
) should be Applied to the Unused Complementary Differential Input. Nominal
V
THR
is 1.5 V for LVTTL and V
CC
/2 for LVCMOS Inputs. This Voltage must be within the V
THR
Specification.
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