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參數(shù)資料
| 型號： | MCM69R818AZP6R |
| 廠商： | MOTOROLA INC |
| 元件分類： | SRAM |
| 英文描述： | 4M Late Write HSTL |
| 中文描述： | 256K X 18 LATE-WRITE SRAM, 3 ns, PBGA119 |
| 封裝： | 14 X 22 MM, 1.27 MM PITCH, PLASTIC, BGA-119 |
| 文件頁數(shù)： | 9/20頁 |
| 文件大小： | 224K |
| 代理商： | MCM69R818AZP6R |
MCM69R736A
MCM69R818A
9
MOTOROLA FAST SRAM
AC INPUT CHARACTERISTICS
Parameter
Symbol
Min
Max
Note
AC Input Logic High (See Figure 4)
VIH (ac)
Vref + 200 mV
—
AC Input Logic Low (See Figures 2 and 4)
VIL (ac)
—
Vref – 200 mV
1
Input Reference Peak to Peak ac Voltage
Vref (ac)
—
5% Vref (dc)
2
Clock Input Differential Voltage
Vdif (ac)
400 mV
VDDQ + 600 mV
3
NOTES:
1. Inputs may undershoot to –0.5 V (peak) for up to 20% tKHKH (e.g., 2 ns at a clock cycle time of 10 ns). See Figure 2.
2. Although considerable latitude in the selection of the nominal dc value (i.e., rms value) of Vref is supported, the peak to peak ac component
superimposed on Vref may not exceed 5% of the dc component of Vref.
3. Minimum instantaneous differential input voltage required for differential input clock operation.
VOH
VSS
50%
100%
20% tKHKH
Figure 2. Undershoot Voltage
CROSSING POINT
VDDQ
VSS
VTR
VDIF
VCP
VCM*
Figure 3. Differential Inputs/Common Mode Input Voltage
*VCM, the Common Mode Input Voltage, equals VTR – ((VTR – VCP)/2).
VIH(ac)
Vref
VIL(ac)
VDDQ
VSS
Figure 4. AC Input Conditions
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| MCM69R736AZP6 | Circular Connector; No. of Contacts:22; Series:; Body Material:Aluminum Alloy; Connecting Termination:Solder; Connector Shell Size:36; Circular Contact Gender:Pin; Circular Shell Style:Straight Plug; Insert Arrangement:36-1 RoHS Compliant: No |
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| MCM69R818AZP7 | 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:4M Late Write HSTL |
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