IS61QDP2B44M18A Datasheet, PDF (17/33 Pages) Integrated Silicon Solution, Inc – 2Mx36 and 4Mx18 configuration available

IS61QDP2B44M18A/A1/A2
IS61QDP2B42M36A/A1/A2
Pin Capacitance
Parameter
Symbol
Input or output capacitance except D and Q pins
C_IN ,C_O
D and Q capacitance (D0–Dx, Q0-Qx)
C_DQ
°
Clocks Capacitance (K, K, C, C)
C_CLK
Note: these parameters are guaranteed by design and tested by a sample basis only.
Test Condition
Max Units
5
pF
6
pF
4
pF
Programmable Impedance Output Driver DC Electrical Characteristics
(Over the Operating Temperature Range, V_DD=1.8V±5%, V_DDQ=1.5V/1.8V)
Parameter
Symbol
Min
Max
Output Logic HIGH Voltage
V_OH
V_DDQ /2 -0.12
V_DDQ /2 + 0.12
Output Logic LOW Voltage
V_OL
Notes:
1.
≤
 VDDQ 

| IOH | ^{ 2 }
 RQ 

5
2. For
:
 VDDQ 

| IOL | ^{ 2 }
 RQ 

5
3. Parameter Tested with RQ=250Ω and V_DDQ=1.5V
V_DDQ /2 -0.12
V_DDQ /2 + 0.12
Units
V
V
Notes
1, 3
2, 3
AC Test Conditions
(Over the Operating Temperature Range, V_DD=1.8V±5%)
Parameter
Symbol
Conditions
Output Drive Power Supply Voltage
V_DDQ
1.5
Input Logic HIGH Voltage
V_IH
1.25
Input Logic LOW Voltage
V_IL
0.25
Input Reference Voltage
V_REF
0.75
Input Rise Time
T_R
2
Input Fall Time
T_F
2
Output Timing Reference Level
V_DDQ/2
Clock Reference Level
0.75
Output Load Conditions
Notes:
1. See AC Test Loading.
2. Parameters are tested with RQ=250Ω and VDDQ=1.5V, but ISSI devices are able to support V_DDQ=1.4V to V_DD
Units
V
V
V
V
V/ns
V/ns
V
V
Notes
2
1, 2
Integrated Silicon Solution, Inc.- www.issi.com
17
Rev. C
09/20/2014