EM643FV16AS-85LL datasheet(4/11 Pages) EMLSI

4 / 11 page

EM621FU16BU Series

Low Power, 128Kx16 SRAM

DC AND OPERATING CHARACTERISTICS

NOTES

1. Typical values are measured at Vcc=3.0V, TA=25oC and not 100% tested.

Parameter

Symbol

Test Conditions

Min

Typ

Max

Unit

Input leakage current

ILI

VIN=VSS to VCC

-1

Output leakage current

ILO

CS=VIH or OE=VIH or WE=VIL or LB=UB=VIH

VIO=VSS to VCC

-1

Operating power supply

ICC

IIO=0mA, CS=VIL, VIN=VIH or VIL

Average operating current

ICC1

Cycle time=1

µs, 100% duty, IIO=0mA,

CS<0.2V, LB<0.2V or/and UB<0.2V,

VIN<0.2V or VIN>VCC-0.2V

ICC2

Cycle time = Min, IIO=0mA, 100% duty,

CS=VIL, LB=VIL or/and UB=VIL ,

VIN=VIL or VIH

45ns

55ns

70ns

Output low voltage

VOL

IOL = 2.1mA

0.4

Output high voltage

VOH

IOH = -1.0mA

2.4

Standby Current (TTL)

ISB

CS=VIH, Other inputs=VIH or VIL

0.3

Standby Current (CMOS)

ISB1

CS>VCC-0.2V, (CS controlled)

Other inputs = 0~VCC

(Typ. condition : VCC=3.0V @ 25

oC)

(Max. condition : VCC=3.3V @ 85

oC)

11)

RECOMMENDED DC OPERATING CONDITIONS 1)

1. TA= -40 to 85oC, otherwise specified

2. Overshoot: VCC +2.0 V in case of pulse width < 20ns

3. Undershoot: -2.0 V in case of pulse width < 20ns

4. Overshoot and undershoot are sampled, not 100% tested

Parameter

Symbol

Min

Typ

Max

Unit

Supply voltage

VCC

2.7

3.0

3.3

Ground

VSS

Input high voltage

VIH

2.0

VCC + 0.22)

Input low voltage

VIL

-0.23)

-0.6

CAPACITANCE1) (f =1MHz, TA=25oC)

1. Capacitance is sampled, not 100% tested.

Item

Symbol

Test Condition

Min

Max

Unit

Input capacitance

CIN

VIN=0V

Input/Ouput capacitance

CIO

VIO=0V

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