CY7C344-15PCSLASHPI datasheet(2/15 Pages) CYPRESS

2 / 15 page

CY7C344

USE ULTRA37000TM FOR

ALL NEW DESIGNS

Document #: 38-03006 Rev. *B

Page 2 of 15

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...................................................0

°C to +70°C

Maximum Junction Temperature (Under Bias).............150

°C

Supply Voltage to Ground Potential ............... –2.0V to +7.0V

Maximum Power Dissipation...................................1500 mW

DC VCC or GND Current ............................................500 mA

Static Discharge Voltage

(per MIL-STD-883, Method 3015) ............................. >2001V

DC Output Current, per Pin ......................–25 mA to +25 mA

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

DC Program Voltage................................................... +13.0V

Operating Range

Range

Ambient

Temperature

VCC

Commercial

°C to +70°C

±5%

Industrial

–40

°C to +85°C

±10%

Military

–55

°C to +125°C (Case)

±10%

Electrical Characteristics Over the Operating Range[3]

Parameter

Description

Test Conditions

Min.

Max.

Unit

VOH

Output HIGH Voltage

VCC = Min., IOH = –4.0 mA

2.4

VOL

Output LOW Voltage

VCC = Min., IOL = 8 mA

0.45

VIH

Input HIGH Level

2.2

VCC+0.3

VIL

Input LOW Level

–0.3

0.8

IIX

Input Current

GND

≤ VIN ≤ VCC

–10

+10

µA

IOZ

Output Leakage Current

VO = VCC or GND

–40

+40

µA

IOS

Output Short Circuit Current

VCC = Max., VOUT = 0.5V[4, 5]

–30

–90

ICC1

Power Supply

Current (Standby)

VI = VCC or GND (No

Load)

Commercial

150

Military/Industrial

170

ICC2

Power Supply Current

VI = VCC or GND (No

Load) f = 1.0 MHz[4,6]

Commercial

200

Military/Industrial

220

Recommended Input Rise Time

100

Recommended Input Fall Time

100

Capacitance

Parameter

Description

Test Conditions

Max.

Unit

CIN

Input Capacitance

VIN = 2V, f = 1.0 MHz

COUT

Output Capacitance

VOUT = 2.0V, f = 1.0 MHz

AC Test Loads and Waveforms[7]

Notes:

2. Minimum DC input is –0.3V. During transitions, the inputs may undershoot to –2.0V for periods less than 20 ns.

3. Typical values are for TA = 25°C and VCC = 5V.

4. Guaranteed by design but not 100% tested.

5. Not more than one output should be tested at a time. Duration of the short circuit should not be more than one second. VOUT = 0.5V has been chosen to avoid

test problems caused by tester ground degradation.

6. Measured with device programmed as a 16-bit counter.

7. Part (a) in AC Test Load and Waveforms is used for all parameters except tER and tXZ, which is used for part (b) in AC Test Load and Waveforms. All external timing

parameters are measured referenced to external pins of the device.

3.0V

OUTPUT

R1 464

Ω

250

Ω

50 pF

INCLUDING

JIG AND

SCOPE

GND

90%

10%

90%

10%

≤ 6 ns

OUTPUT

R1 464

Ω

250

Ω

(a)

(b)

OUTPUT

1.75V

Equivalent to:

THÉVENIN EQUIVALENT (commercial/military)

ALL INPUT PULSES

5pF

163

Ω

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