MB81P643287 Datasheet, PDF (28/65 Pages) Fujitsu Component Limited. – 8 x 256K x 32 BIT, FCRAMTM CORE BASED DOUBLE DATA RATE SDRAM

MB81P643287-50/-60
s ABSOLUTE MAXIMUM RATINGS (See WARNING)
Parameter
Symbol
Value
Unit
Voltage of VDD Supply Relative to VSS
VDD, VDDQ
–0.5 to +3.6
V
Voltage at Any Pin Relative to VSS
VIN, VOUT
–0.5 to +3.6
V
Short Circuit Output Current
IOUT
±50
mA
Power Dissipation
PD
2.0
W
Storage Temperature
TSTG
–55 to +125
°C
WARNING: Semiconductor devices can be permanently damaged by application of stress (voltage, current,
temperature, etc.) in excess of absolute maximum ratings. Do not exceed these ratings.
s RECOMMENDED OPERATING CONDITIONS
(Referenced to VSS)
Parameter
Notes Symbol Min.
Typ.
Max. Unit
VDD
2.3
2.5
2.7
V
Supply Voltage
VDDQ
VDD
VDD
VDD
V
Input Reference Voltage
VSS, VSSQ
0
0
0
V
*1 VREF VDDQ × 0.49 VDDQ × 0.5 VDDQ × 0.51 V
Termination Voltage
*2 VTT
VREF - 0.04
VREF
VREF + 0.04 V
Single Ended SSTL DC Level Input High Voltage *3 VIH (DC) VREF + 0.25
—
VDDQ + 0.1 V
Single Ended SSTL DC Level Input Low Voltage *3 VIL (DC)
- 0.1
—
VREF - 0.25 V
Single Ended SSTL AC Level Input High Voltage *3, *5 VIH (AC) VREF + 0.35
—
—
V
Single Ended SSTL AC Level Input Low Voltage *3, *5 VIL (AC)
—
—
VREF - 0.35 V
Differential DC Level Input Voltage Range
*3 VIN (DC)
- 0.1
—
VDDQ + 0.1 V
Differential DC Level Differential Input Voltage
*3 VSWING (DC)
0.5
—
VDDQ + 0.2 V
Differential AC Level Differential Input Voltage
*3 VSWING (AC)
0.7
—
—
V
Differential AC Level Input Crosspoint Voltage
*3 VX (AC) VDDQ/2 - 0.2 VDDQ/2 VDDQ/2 + 0.2 V
Differential Input Signal Offset Voltage
Termination Resistor (SSTL I/Os)
Ambient Temperature
*4 VISO (AC) VDDQ/2 - 0.2
*2 RT
—
TA
0
VDDQ/2
50
—
VDDQ/2 + 0.2 V
—
Ω
70
o_C
Note 5.
VDD + 1.0 V
VIH
VIHmin
VIL
50% of pulse amplitude
Note 6.
VIH
VILmax
VIL
Pulse width < 4 ns
−1.0 V
Pulse width < 4 ns
50% of pulse amplitude
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