HM62G18512 Datasheet, PDF (7/23 Pages) Hitachi Semiconductor – 8M Synchronous Fast Static RAM(512k-word x 18-bit)

HM62G18512 Series
Note: The following the DC and AC specifications shown in the Tables, this device is tested under the
minimum transverse air flow exceeding 500 linear feet per minute.
DC Operating Conditions (Ta = 0 to 70°C [Tj max = 110°C])
Parameter
Symbol Min
Typ
Max
Unit
Supply voltage (Core)
V_DD
3.135
3.30
3.63
V
Supply voltage (I/O)
V_DDQ
1.4
1.5
1.6
V
Supply voltage
V_SS
0
0
0
V
Input reference voltage (I/O)
V_REF
0.65
0.75
0.90
V
Input high voltage
V_IH
V_REF + 0.1 —
V_DDQ + 0.3 V
Input low voltage
V_IL
–0.5
—
V_REF – 0.1 V
Clock differential voltage
V_DIF
0.1
—
V_DDQ + 0.3 V
Clock common mode voltage
V_CM
0.55
—
0.90
V
Notes: 1. Peak to peak AC component superimposed on V_REF may not exceed 5% of V_REF.
2. Minimum differential input voltage required for differential input clock operation.
3. See following figure.
4. V_REF = 0.75 V (typ).
Notes
1
4
4
2, 3
3
V_DDQ
V_DIF
V_CM
V_SS
Differential Voltage/Common Mode Voltage
7