HYB18T256161BF Datasheet, PDF (23/40 Pages) Qimonda AG – 256-Mbit x16 DDR2 SDRAM

Internet Data Sheet
HYB18T256161BF–20/25/28
256-Mbit Double-Data-Rate-Two SDRAM
5.4
Output Buffer Characteristics
Voltage (V)
TABLE 23
Full Strength Calibrated Pull-up Driver Characteristics
Calibrated Pull-up Driver Current [mA]
Nominal Minimum¹⁾ Nominal
Nominal(18
(21 Ohms)
Low²⁾(18.75 Ohms) ohms)³⁾
Nominal
High²⁾(17.25
Ohms)
Nominal
Maximum⁴⁾ (15
Ohms)
0.2
–9.5
–10.7
–11.4
–11.8
–13.3
0.3
–14.3
–16.0
–16.5
–17.4
–20.0
0.4
–18.3
–21.0
–21.2
–23.0
–27.0
1) The driver characteristics evaluation conditions are Nominal Minimum 95 °C (T_CASE). V_DDQ = 1.7 V, any process
2) The driver characteristics evaluation conditions are Nominal Low and Nominal High 25 °C (T_CASE), V_DDQ = 1.8 V, any process
3) The driver characteristics evaluation conditions are Nominal 25 °C (T_CASE), V_DDQ = 1.8 V, typical process
4) The driver characteristics evaluation conditions are Nominal Maximum 0 °C (T_CASE), V_DDQ = 1.9 V, any process
Voltage (V)
TABLE 24
Full Strength Calibrated Pull-down Driver Characteristics
Calibrated Pull-down Driver Current [mA]
Nominal Minimum¹⁾
(21 Ohms)
Nominal
Low²⁾(18.75
Ohms)
Nominal³⁾(18
ohms)
Nominal
High²⁾(17.25
Ohms)
Nominal
Maximum⁴⁾ (15
Ohms)
0.2
9.5
10.7
11.5
11.8
13.3
0.3
14.3
16.0
16.6
17.4
20.0
0.4
18.7
21.0
21.6
23.0
27.0
1) The driver characteristics evaluation conditions are Nominal Minimum 95 °C (T_CASE). V_DDQ = 1.7 V, any process
2) The driver characteristics evaluation conditions are Nominal Low and Nominal High 25 °C (T_CASE), V_DDQ = 1.8V, any process
3) The driver characteristics evaluation conditions are Nominal 25 °C (T_CASE), V_DDQ = 1.8 V, typical process
4) The driver characteristics evaluation conditions are Nominal Maximum 0 °C (T_CASE), V_DDQ = 1.9 V, any process
Rev. 1.20, 2007-06
23
11232006-QP6X-6EM0