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參數(shù)資料
| 型號(hào)： | SCAN921821 |
| 廠商： | National Semiconductor Corporation |
| 英文描述： | Dual 18-Bit Serializer with Pre-emphasis, IEEE 1149.1(JTAG), and At-Speed BIST |
| 中文描述： | 雙18位串行器與預(yù)加重，設(shè)有IEEE 1149.1（JTAG），并在速度BIST |
| 文件頁數(shù)： | 4/11頁 |
| 文件大?。?/td> | 629K |
| 代理商： | SCAN921821 |
AC Electrical Characteristics
Over recommended operating supply and temperature ranges unless otherwise specified.
Symbol
Serializer AC Specifications
Parameter
Conditions
Min
Typ
Max
Units
t
LLHT
Bus LVDS
Low-to-High
Transition Time
Bus LVDS
High-to-Low
Transition Time
DIN (0-17) Setup to
TCLK
DIN (0-17) Hold from
TCLK
DO
±
HIGH to
TRI-STATE Delay
DO
±
LOW to
TRI-STATE Delay
DO
±
TRI-STATE to
HIGH Delay
DO
±
TRI-STATE to
LOW Delay
Figure 2
, (Note 5)
R
L
= 100
,
C
L
=10pF to GND
0.3
0.4
ns
t
LHLT
0.3
0.4
ns
t
DIS
Figure 4
, (Note 5)
R
L
= 100
,
C
L
=10pF to GND
1.9
ns
t
DIH
0.6
ns
t
HZD
Figure 5
R
L
= 100
,
C
L
=10pF to GND
3.9
10
ns
t
LZD
3.5
10
ns
t
ZHD
3.2
10
ns
t
ZLD
2.4
10
ns
t
SPW
SYNC Pulse Width
Figure 7
,
R
L
= 100
Figure 6
,
R
L
= 100
Figure 8
, R
L
= 100
5*t
TCP
6*t
TCP
ns
t
PLD
Serializer PLL Lock
Time
Serializer Delay
Channel to Channel
Skew
510*t
TCP
1024*t
TCP
ns
t
SD
t
TCP
+ 2.5 t
TCP
+ 4.5 t
TCP
+ 6.5
ns
t
SKCC
70
ps
t
RJIT
Random Jitter
Room Temperature, V
DD
= 3.3V,
66 MHz
15 MHz
66 MHz
6.1
ps
(RMS)
ps
ps
t
DJIT
Deterministic Jitter
Figure 9
, (Note 5)
-390
-60
320
30
1149.1 (JTAG) AC Specifications
Maximum TCK Clock
Frequency
TDI or TMS Setup to
TCK, H or L
TDI or TMS Hold
from TCK, H or L
TCK Pulse Width, H
f
MAX
C
L
= 15pF,
R
L
= 500
25
MHz
t
S
2.4
ns
t
H
2.8
ns
t
W1
or L
10
ns
t
W2
TRST Pulse Width, L
Recovery Time,
TRST to TCK
10
ns
t
REC
2
ns
Note 1:
“Absolute Maximum Ratings” are those values beyond which the safety of the device cannot be guaranteed. They are not meant to imply that the devices
should be operated at these limits. The table of “Electrical Characteristics” specifies conditions of device operation.
Note 2:
Typical values are given for V
CC
= 3.3V and T
A
= +25C.
Note 3:
Current into device pins is defined as positive. Current out of device pins is defined as negative. Voltages are referenced to ground except VOD,
VOD,
VTH and VTL which are differential voltages.
Note 4:
I
OZ
is measured at each pin. The DOUT pin not under test is floated to isolate the TRI-STATE current flow.
Note 5:
Guaranteed by Design (GBD) using statistical analysis.
S
www.national.com
4
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參數(shù)描述 |
|---|---|
| SCAN921821TSM | 功能描述:串行器/解串器 - Serdes RoHS:否 制造商:Texas Instruments 類型:Deserializer 數(shù)據(jù)速率:1.485 Gbit/s 輸入類型:ECL/LVDS 輸出類型:LVCMOS 輸入端數(shù)量:1 輸出端數(shù)量:20 工作電源電壓:2.375 V to 2.625 V 工作溫度范圍:0 C to + 70 C 封裝 / 箱體:TQFP-64 |
| SCAN921821TSM/NOPB | 功能描述:串行器/解串器 - Serdes RoHS:否 制造商:Texas Instruments 類型:Deserializer 數(shù)據(jù)速率:1.485 Gbit/s 輸入類型:ECL/LVDS 輸出類型:LVCMOS 輸入端數(shù)量:1 輸出端數(shù)量:20 工作電源電壓:2.375 V to 2.625 V 工作溫度范圍:0 C to + 70 C 封裝 / 箱體:TQFP-64 |
| SCAN926260 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Six 1 to 10 Bus LVDS Deserializers with IEEE 1149.1 and At-Speed BIST |
| SCAN926260_03 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Six 1 to 10 Bus LVDS Deserializers with IEEE 1149.1 and At-Speed BIST |
| SCAN926260_08 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Six 1 to 10 Bus LVDS Deserializers with IEEE 1149.1 and At-Speed BIST |
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