HYB39SC256 Datasheet, PDF (14/24 Pages) Qimonda AG – 256-MBit Synchronous DRAM

Internet Data Sheet
HY[B/I]39SC256[80/16]0F[E/F]
256-MBit Synchronous DRAM
TABLE 8
DC Characteristics
Parameter
Symbol
Values
Min. Max.
Unit Note/
Test Condition
Supply Voltage
V_DD
3.0 3.6
V
1)
I/O Supply Voltage
V_DDQ 3.0 3.6
V
1)
Input high voltage
V_IH
2.0 V_DDQ + 0.3 V
1)2)
Input low voltage
V_IL
–0.3 +0.8
V
1)2)
Output high voltage (I_OUT = – 4.0 mA)
V_OH
2.4 —
V
1)
Output low voltage (I_OUT = 4.0 mA)
V_OL
— 0.4
V
1)
Input leakage current, any input (0 V < V_IN < V_DD, all other inputs = 0 V) I_IL
–5 +5
µA
Output leakage current (DQs are disabled, 0 V < V_OUT < V_DDQ)
I_OL
–5 +5
µA
1) All voltages are referenced to V_SS
2) V_IH may overshoot to V_DDQ + 2.0 V for pulse width of < 4ns with 3.3 V. V_IL may undershoot to -2.0 V for pulse width < 4.0 ns with 3.3 V.
Pulse width measured at 50% points with amplitude measured peak to DC reference.
Parameter
TABLE 9
Input and Output Capacitances
Symbol Values
Unit Note
Min. Max.
Input Capacitances: CK
Input Capacitance
(A0-A12, BA0, BA1, RAS, CAS, WE, CS, CKE, DQM)
C_I1
2.5 3.5
pF
1)2)
C_I2
2.5 3.8
pF
1)2)
Input/Output Capacitance (DQ)
C_I0
4.0 6.0
pF
1)2)
1) V_DD,V_DDQ = 3.3 V ± 0.3 V, f = 1 MHz, T_A see Table 7
2) Capacitance values are shown for TSOP-54 packages. Capacitance values for TFBGA packages are lower by 0.5 pF
Parameter
Operating Current
Precharge Standby Current
No Operating Current
Burst Operating Current
Auto Refresh Current
Self Refresh Current
One bank active, Burst length = 1
Power down mode
Non-power down mode
Active state (max. 4 banks)
Read command cycling
Auto Refresh command cycling
Self Refresh Mode, CKE=0.2 V, t_CK=infinity
TABLE 10
I_DD Conditions
Symbol
I_DD1
I_DD2P
I_DD2N
I_DD3N
I_DD3P
I_DD4
I_DD5
I_DD6
Rev. 1.25, 2007-06
14
03062006-NMGU-CQ9D