CY7C1022-12VC 查看數據表（PDF） - Cypress Semiconductor

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CY7C1022-12VC

512K x 8 Static RAM

Cypress Semiconductor 

PRELIMINARY

CY7C1022

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

Electrical Characteristics Over the Operating Range

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

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

Operating Range

Range

Commercial

Ambient

Temperature[2]

0°C to +70°C

VCC

4.5V–5.5V

Parameter

VOH

VOL

VIH

VIL

IIX

IOZ

ICC

Description

Output HIGH Voltage

Output LOW Voltage

Input HIGH Voltage

Input LOW Voltage[1]

Input Load Current

Output Leakage

Current

VCC Operating

Supply Current

ISB1

Automatic CE

Power-Down Current

—TTL Inputs

ISB2

Automatic CE

Power-Down Current

—CMOS Inputs

Shaded area contains advance information.

Test Conditions

VCC = Min., IOH = –4.0 mA

VCC = Min., IOL = 8.0 mA

GND < VI < VCC

GND < VI < VCC,

Output Disabled

VCC = Max.,

IOUT = 0 mA,

f = fMAX = 1/tRC

L

Max. VCC, CE > VIH

VIN > VIH or

VIN < VIL, f = fMAX

L

Max. VCC,

CE > VCC – 0.3V,

VIN > VCC – 0.3V,

L

or VIN < 0.3V, f=0

7C1022-12

Min. Max.

2.4

0.4

2.2

6.0

–0.5

0.8

–1

+1

–2

+2

170

140

20

10

3

0.1

7C1022-15

Min. Max. Unit

2.4

V

0.4

V

2.2

6.0

V

–0.5

0.8

V

–1

+1

µA

–2

+2

µA

160 mA

130

20

mA

10

3

mA

0.1

mA

Capacitance[3]

Parameter

CIN

COUT

Description

Input Capacitance

Output Capacitance

AC Test Loads and Waveforms

Test Conditions

TA = 25°C, f = 1 MHz,

VCC = 5.0V

Max.

Unit

8

pF

8

pF

R 481Ω

5V

R 481Ω

5V

OUTPUT

30 pF

INCLUDING

JIG AND

SCOPE

(a)

OUTPUT

R2

255Ω

5 pF

INCLUDING

JIG AND

SCOPE

(b)

R2

255Ω

1022-3

Equivalent to: THÉVENIN OUTPUT

EQUIVALENT

167Ω

30 pF

1.73V

3.0V

GND

<3ns

ALL INPUT PULSES

90%

10%

90%

10%

<3ns

1022-4

Notes:

1. VIL (min.) = –2.0V for pulse durations of less than 20 ns.

2. TA is the “instant on” case temperature.

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

Document #: 38-05090 Rev. **

Page 2 of 8

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