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HYB39S64400CT-7.5 Datasheet, PDF (14/52 Pages) Infineon Technologies AG – 64-MBit Synchronous DRAM
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HYB 39S64400/800CT(L)
64-MBit Synchronous DRAM
Electrical Characteristics
Absolute Maximum Ratings
Operating Temperature Range.......................................................................................0 to + 70 °C
Storage Temperature Range .................................................................................. – 55 to + 150 °C
Input/Output Voltage......................................................................................... – 0.3 to VDD + 0.3 V
Power Supply Voltage VDD/VDDQ.............................................................................. – 0.3 to + 4.6 V
Power Dissipation ....................................................................................................................... 1 W
Data out Current (short circuit) ............................................................................................... 50 mA
Note: Stresses above those listed under “Absolute Maximum Ratings” may cause permanent
damage of the device. Exposure to absolute maximum rating conditions for extended
periods may affect device reliability.
Recommended Operation and DC Characteristics
TA = 0 to 70 °C; VSS = 0 V; VDD,VDDQ = 3.3 V ± 0.3 V
Parameter
Symbol
Limit Values
min.
max.
Input High Voltage
VIH
2.0
Input Low Voltage
VIL
– 0.3
Output High Voltage (IOUT = – 4.0 mA)
VOH
2.4
Output Low Voltage (IOUT = 4.0 mA)
VOL
–
Input Leakage Current, any input
II(L)
–5
(0 V < VIN < VDDQ, all other inputs = 0 V)
Output Leakage Current
(DQ is disabled, 0 V < VOUT < VDD)
IO(L)
–5
VDD + 0.3
0.8
–
0.4
5
5
Unit Notes
V
1, 2
V
1, 2
V–
V–
µA –
µA –
Notes
1. All voltages are referenced to VSS
2. VIH may overshoot to VDD + 2.0 V for pulse width of < 4 ns with 3.3 V. VIL 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.
Capacitance
TA = 0 to 70 °C; VDD = 3.3 V ± 0.3 V, f = 1 MHz
Parameter
Symbol
Input Capacitance (CLK)
CI1
Input Capacitance
CI2
(A0 - A11, BA0, BA1, RAS, CAS, WE, CS, CKE, DQM)
Input/Output Capacitance (DQ)
CIO
Values
min. max.
2.5
3.5
2.5
3.8
Unit
pF
pF
4.0
6.0
pF
Data Book
14
12.99
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