MCM6946

5

MOTOROLA FAST SRAM

DC OPERATING CONDITIONS AND CHARACTERISTICS

(VCC = 3.3 V – 5%, + 10%, TA = 0 to + 70°C, Unless Otherwise Noted)

RECOMMENDED OPERATING CONDITIONS

Parameter

Symbol

Min

Typ

Max

Unit

Supply Voltage (Operating Voltage Range)

VCC

3.135

3.3

3.6

V

Input High Voltage

VIH

2.2

—

VCC + 0.3**

V

Input Low Voltage

VIL

– 0.5

*

—

0.8

V

*VIL (min) = – 0.5 V dc; VIL (min) = – 2.0 V ac (pulse width ≤ 2.0 ns).

** VIH (max) = VCC + 0.3 V dc; VIH (max) = VCC + 2.0 V ac (pulse width ≤ 2.0 ns).

DC CHARACTERISTICS

Parameter

Symbol

Min

Max

Unit

Input Leakage Current (All Inputs, Vin = 0 to VCC)

Ilkg(I)

—

± 1.0

µA

Output Leakage Current (E = VIH, Vout = 0 to VCC)

Ilkg(O)

—

± 1.0

µA

Output Low Voltage (IOL = + 8.0 mA)

VOL

—

0.4

V

Output High Voltage (IOH = – 4.0 mA)

VOH

2.4

—

V

POWER SUPPLY CURRENTS

Parameter

Symbol

0 to 70

°C

Unit

AC Active Supply Current

MCM6946–8: tAVAV = 8 ns

(Iout = 0 mA, VCC = Max)

MCM6946–10: tAVAV = 10 ns

MCM6946–12: tAVAV = 12 ns

MCM6946–15: tAVAV = 15 ns

ICC

195

185

180

175

mA

AC Standby Current (VCC = Max, E = VIH,

MCM6946–8: tAVAV = 8 ns

No Other Restrictions on Other Inputs)

MCM6946–10: tAVAV = 10 ns

MCM6946–12: tAVAV = 12 ns

MCM6946–15: tAVAV = 15 ns

ISB1

55

50

50

45

mA

CMOS Standby Current (E

≥ VCC – 0.2 V, Vin ≤ VSS + 0.2 V or ≥ VCC – 0.2 V)

(VCC = Max, f = 0 MHz)

ISB2

20

mA

Parameter

Symbol

Typ

Max

Unit

Input Capacitance

All Inputs Except Clocks and DQs

E, G, W

Cin

Cck

4

5

6

8

pF

Input/Output Capacitance

DQ

CI/O

5

8

pF