CY7C1049G

CY7C1049GE

Document Number: 001-95412 Rev. *E

Page 7 of 19

Capacitance

Parameter [10]

Description

Test Conditions

36-pin SOJ

44-pin TSOP II Unit

Input capacitance

10

10

pF

I/O capacitance

10

10

pF

Thermal Resistance

Parameter [10]

Description

Test Conditions

36-pin SOJ

44-pin TSOP II Unit

Thermal resistance

(junction to ambient)

Still air, soldered on a 3 × 4.5 inch,

four-layer printed circuit board

59.52

68.85

C/W

Thermal resistance

(junction to case)

31.48

15.97

C/W

AC Test Loads and Waveforms

Figure 4. AC Test Loads and Waveforms [11]

90%

10%

GND

90%

10%

All Input Pulses

Output

5 pF*

* Including

jig and

scope

(b)

R1

R2



Rise Time:

Fall Time:

> 1 V/ns

(c)

Output

50



30 pF*

* Capacitive load consists

of all components of the

test environment

High-Z Characteristics:

(a)

> 1 V/ns

Parameters

1.8 V

3.0 V

5.0 V

Unit

R1

1667

317

317



R2

1538

351

351



0.9

1.5

1.5

V

1.8

3

3

V

Notes

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