參數(shù)資料
型號: K4H560838E-GCA2
廠商: SAMSUNG SEMICONDUCTOR CO. LTD.
英文描述: DIODE ZENER TRIPLE ISOLATED 200mW 19.7Vz 10mA-Izt 0.0251 0.05uA-Ir 15 SOT-363 3K/REEL
中文描述: 256Mb的電子芯片DDR SDRAM內(nèi)存規(guī)格60Ball FBGA封裝(x4/x8)
文件頁數(shù): 13/19頁
文件大?。?/td> 171K
代理商: K4H560838E-GCA2
DDR SDRAM
DDR SDRAM 256Mb F-die (x8, x16)
Rev. 1.1 August. 2003
AC Operating Conditions
Parameter/Condition
Symbol
VIH(AC)
VIL(AC)
VID(AC)
VIX(AC)
Min
Max-10
Unit
V
V
V
V
Note
Input High (Logic 1) Voltage, DQ, DQS and DM signals
Input Low (Logic 0) Voltage, DQ, DQS and DM signals.
Input Differential Voltage, CK and CK inputs
Input Crossing Point Voltage, CK and CK inputs
VREF + 0.31
VREF - 0.31
VDDQ+0.6
0.5*VDDQ+0.2
0.7
1
2
0.5*VDDQ-0.2
AC
Overshoot/Undershoot specification for Address and Control Pins
Parameter
Specification
DDR400
1.5V
1.5V
4.5V-ns
4.5V-ns
Maximum peak amplitude allowed for overshoot
Maximum peak amplitude allowed for undershoot
The area between the overshoot signal and VDD must be less than or equal to
The area between the undershoot signal and GND must be less than or equal to
5
4
3
2
1
0
-1
-2
-3
-4
-5
0
0.5
0.6875
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
5.5
6.0
6.3125
6.5
7.0
VDD
Overshoot
Maximum Amplitude = 1.5V
Area = 4.5V-ns
Maximum Amplitude = 1.5V
undershoot
GND
V
Tims(ns)
AC overshoot/Undershoot Definition
Notes :
1. VID is the magnitude of the difference between the input level on CK and the input level on /CK.
2. The value of VIX is expected to equal 0.5*VDDQ of the transmitting device and must track variations in the dc level of the same.
相關(guān)PDF資料
PDF描述
K4H560838E-GCB0 DIODE ZENER TRIPLE ISOLATED 200mW 22.08Vz 5mA-Izt 0.02514 0.05uA-Ir 17 SOT-363 3K/REEL
K4H560838E-GCB3 DIODE ZENER TRIPLE ISOLATED 200mW 23.72Vz 5mA-Izt 0.02509 0.05uA-Ir 19 SOT-363 3K/REEL
K4H560838E-GCC4 DIODE ZENER TRIPLE ISOLATED 200mW 26.97Vz 5mA-Izt 0.02503 0.05uA-Ir 21 SOT-363 3K/REEL
K4H560838E-GCCC DIODE ZENER TRIPLE ISOLATED 200mW 29.77Vz 5mA-Izt 0.02503 0.05uA-Ir 23 SOT-363 3K/REEL
K4H560838E-GLA2 DIODE ZENER TRIPLE ISOLATED 200mW 32.97Vz 5mA-Izt 0.02503 0.05uA-Ir 27 SOT-363 3K/REEL
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