CY7C135 View Datasheet(PDF) - Cypress Semiconductor

Part Name

Description

Manufacturer

CY7C135

4K x 8 Dual-Port Static RAM and 4K x 8 Dual-Port SRAM with Semaphores

Cypress Semiconductor 

CY7C135

CY7C1342

Maximum Ratings[1]

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

Ambient Temperature with

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

Supply Voltage to Ground Potential

(Pin 48 to Pin 24) ............................................ –0.5V to+7.0V

DC Voltage Applied to Outputs

in High Z State ................................................ –0.5V to+7.0V

DC Input Voltage[2]......................................... –3.0V to +7.0V

Electrical Characteristics Over the Operating Range

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

(per MIL-STD-883, Method 3015)

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

Operating Range

Range

Commercial

Industrial

Ambient

Temperature

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

VIL

Input LOW Voltage

IIX

Input Load Current

IOZ

Output Leakage Current

ICC

Operating Current

Test Conditions

VCC = Min., IOH = –4.0 mA

VCC = Min., IOL = 4.0 mA

GND ≤ VI ≤ VCC

Outputs Disabled,

GND ≤ VO ≤ VCC

VCC = Max.,

IOUT = 0 mA

ISB1

Standby Current

(Both Ports TTL Levels)

Cf =ELfMaAnXd[3C] ER ≥ VIH,

ISB2

Standby Current

(One Port TTL Level)

fC=ELfMaAnXd[3C] ER ≥ VIH,

ISB3

Standby Current

Both Ports CE and CER ≥

(Both Ports CMOS Levels) VCC – 0.2V,

VIN ≥ VCC – 0.2V

or VIN ≤ 0.2V, f =

0[3]

Com’l

Ind.

Com’l

Ind.

Com’l

Ind.

Com’l

Ind.

7C135-15 7C135-20 7C135-25

7C1342-15 7C1342-20 7C1342-25

Min. Max. Min. Max. Min. Max. Unit

2.4

2.4

2.4

V

0.4

0.4

0.4 V

2.2

2.2

2.2

V

0.8

0.8

0.8 V

–10 +10 –10 +10 –10 +10 µA

–10 +10 –10 +10 –10 +10 µA

220

190

60

50

130

120

15

15

180 mA

190

40 mA

50

110 mA

120

15 mA

30

ISB4

Standby Current

One Port CEL or

Com’l

125

115

(One Port CMOS Level) CER ≥ VCC – 0.2V,

VIN ≥VCC – 0.2V or

Ind.

VIN ≤ 0.2V,

Active Port Outputs,

f = fMAX[3]

100 mA

115

Notes:

1. The Voltage on any input or I/O pin cannot exceed the power pin during power-up.

2. Pulse width < 20 ns.

3. fMAX = 1/tRC = All inputs cycling at f = 1/tRC (except output enable). f = 0 means no address or control lines change. This applies only to inputs at CMOS level

standby ISB3.

Document #: 38-06038 Rev. *C

Page 3 of 12

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