CY7C024-25AI datasheet(8/21 Pages) CYPRESS

Part #	CY7C024-25AI

Description	4K x 16/18 and 8K x 16/18 Dual-Port Static RAM with SEM, INT, BUSY

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Manufacturer	CYPRESS [Cypress Semiconductor]

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8 / 21 page

CY7C024/024A/0241

CY7C025/0251

Document #: 38-06035 Rev. *D

Page 8 of 21

ICC

Operating Current

VCC = Max, IOUT = 0 mA,

Outputs Disabled

Com’l

160

230

150

230

mA

Ind

160

260

150

260

ISB1

Standby Current

(Both Ports TTL Levels)

CEL and CER ≥ VIH,

f = fMAX

[12]

Com’l

30

50

20

50

mA

Ind

30

65

20

65

ISB2

Standby Current

(One Port TTL Level)

CEL or CER ≥ VIH,

f = fMAX

[12]

Com’l

85

135

75

135

mA

Ind

85

150

75

150

ISB3

Standby Current

(Both Ports CMOS

Levels)

Both Ports CE and CER ≥

VCC – 0.2V, VIN ≥ VCC – 0.2V

or VIN ≤ 0.2V, f = 0

[12]

Com’l

3

15

3

15

mA

Ind

3

15

3

15

ISB4

Standby Current

(Both Ports CMOS

Levels)

One Port CEL or

CER ≥ VCC – 0.2V,

VIN ≥ VCC – 0.2V or VIN ≤ 0.2V,

Active Port Outputs, f = fMAX

[12]

Com’l

80

120

70

120

mA

Ind

80

135

70

135

Electrical Characteristics Over the Operating Range (continued)

Parameter

Description

Test Conditions

7C024/024A/0241–35

7C025/0251–35

7C024/024A/0241–55

7C025/0251–55

Unit

Min

Typ

Max

Min

Typ

Max

Capacitance[13]

Parameter

Description

Test Conditions

Max

Unit

CIN

Input Capacitance

TA = 25×C, f = 1 MHz,

VCC = 5.0V

10

pF

COUT

Output Capacitance

10

pF

Figure 3. AC Test Loads and Waveforms

Note

13. Tested initially and after any design or process changes that may affect these parameters.

3.0V

GND

90%

10%

3ns

3 ns

10%

ALL INPUT PULSES

(a) Normal Load (Load 1)

R1 = 893

Ω

5V

OUTPUT

R2 = 347

Ω

C= 30 pF

VTH =1.4V

OUTPUT

C= 30pF

(b) Thévenin Equivalent (Load 1)

(c) Three-State Delay (Load 3)

C = 30 pF

OUTPUT

Load (Load 2)

R1 = 893

Ω

R2 = 347

Ω

5V

OUTPUT

C= 5pF

RTH = 250Ω

≤

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CY7C024-25AI Datasheet(PDF) 8 Page - Cypress Semiconductor

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