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| IS61QDP2B22M18A Datasheet, PDF (16/33 Pages) Integrated Silicon Solution, Inc – 1Mx36 and 2Mx18 configuration available | |||
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IS61QDP2B22M18A/A1/A2
IS61QDP2B21M36A/A1 /A2
Recommended DC Operating Conditions
(Over the Operating Temperature Range)
Parameter
Symbol
Min
Typical
Supply Voltage
VDD
1.8â5%
1.8
Output Driver Supply Voltage
VDDQ
1.4
1.5
Input High Voltage
VIH
VREF+0.1
-
Input Low Voltage
VIL
â0.2
-
Input Reference Voltage
VREF
0.68
0.75
Clock Signal Voltage
VIN-CLK
â0.2
-
Notes:
1. All voltages are referenced to VSS. All VDD, VDDQ, and VSS pins must be connected.
2. VIH(max) AC = See 0vershoot and Undershoot Timings.
3. VIL(min) AC = See 0vershoot and Undershoot Timings.
4. VIN-CLK specifies the maximum allowable DC excursions of each clock (K and K#).
5. Peak-to-peak AC component superimposed on VREF may not exceed 5% of VREF.
Overshoot and Undershoot Timings
20% Min Cycle Time
VDDQ + 0.6V
Max
1.8+5%
VDD
VDDQ+0.2
VREF â0.1
0.95
VDDQ+0.2
Units
V
V
V
V
V
V
Notes
1
1
1, 2
1, 3
1, 5
1, 4
20% Min Cycle Time
GND
VDDQ
VIH(max) AC Overshoot Timing
GND - 0.6V
VIL(min) AC Undershoot Timing
Integrated Silicon Solution, Inc.- www.issi.com
16
Rev. B
10/02/2014
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