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7C109-35

128K x 8 Static RAM

Cypress Semiconductor 

CY7C109

CY7C1009

Maximum Ratings

(Above which the useful life may be impaired. For user guide-

lines, not tested.)

Storage Temperature ................................. –65°C to +150°C

Ambient Temperature with

Power Applied............................................. –55°C to +125°C

Supply Voltage on VCC to Relative GND[1] .... –0.5V to +7.0V

DC Voltage Applied to Outputs

in High Z State[1] ....................................–0.5V to VCC + 0.5V

DC Input Voltage[1] ................................–0.5V to VCC + 0.5V

Current into Outputs (LOW) .........................................20 mA

Electrical Characteristics Over the Operating Range[3]

Static Discharge Voltage ........................................... >2001V

(per MIL-STD-883, Method 3015)

Latch-Up Current..................................................... >200 mA

Operating Range

Range

Commercial

Industrial

Ambient

Temperature[2]

0°C to +70°C

−40°C to +85°C

VCC

5V ± 10%

5V ± 10%

Parameter

Description

VOH

Output HIGH Voltage

VOL

Output LOW Voltage

VIH

Input HIGH Voltage

Test Conditions

VCC = Min.,

IOH = –4.0 mA

VCC = Min.,

IOL = 8.0 mA

VIL

Input LOW Voltage[1]

IIX

Input Load Current GND < VI < VCC

IOZ

Output Leakage

GND < VI < VCC,

Current

Output Disabled

IOS

Output Short

Circuit Current[3]

VCC = Max.,

VOUT = GND

ICC

VCC Operating

VCC = Max.,

Supply Current

IOUT = 0 mA,

f = fMAX = 1/tRC

ISB1

Automatic CE

Max. VCC, CE1 > VIH

Power-Down Current or CE2 < VIL,

—TTL Inputs

VIN > VIH or

VIN < VIL, f = fMAX

ISB2

Automatic CE

Max. VCC,

Power-Down Current CE1 > VCC – 0.3V,

—CMOS Inputs

or CE2 < 0.3V,

L

VIN > VCC – 0.3V,

or VIN < 0.3V, f=0

Shaded areas contain preliminary information.

7C109-10

7C1009-10

Min. Max.

2.4

7C109-12

7C1009-12

Min. Max.

2.4

7C109-15

7C1009–15

Min. Max. Unit

2.4

V

0.4

0.4

0.4 V

2.2 VCC 2.2 VCC 2.2 VCC V

+ 0.3

+ 0.3

+ 0.3

–0.3 0.8 –0.3 0.8 –0.3 0.8 V

–1

+1

–1

+1

–1

+1 µA

–5

+5

–5

+5

–5

+5 µA

–300

–300

–300 mA

195

185

155 mA

45

45

40 mA

10

10

10 mA

2

2

2

Document #: 38-05032 Rev. **

Page 2 of 12

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