Cypress CY7C1345G manual Capacitance, Thermal Resistance, AC Test Loads and Waveforms

CY7C1345G

Capacitance

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

Parameter	Description	Test Conditions	100 TQFP	119 BGA	Unit
			Max	Max
CIN	Input Capacitance	TA = 25°C, f = 1 MHz,	5	5	pF
		VDD = 3.3V.
CCLK	Clock Input Capacitance		5	5	pF
		VDDQ = 3.3V
CIO	Input or Output Capacitance		5	7	pF

Thermal Resistance

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

Parameter	Description	Test Conditions	100 TQFP	119 BGA	Unit
			Package	Package
ΘJA	Thermal Resistance	Test conditions follow	30.32	34.1	°C/W
	(Junction to Ambient)	standard test methods and
		procedures for measuring
ΘJC	Thermal Resistance		6.85	14.0	°C/W
		thermal impedance, per
	(Junction to Case)	EIA/JESD51.

AC Test Loads and Waveforms

3.3V I/O Test Load

R = 317Ω

OUTPUT

3.3V

ALL INPUT PULSES

VDDQ

Z0

= 50Ω

OUTPUT

RL

= 50Ω

10%

90%

5 pF

R = 351Ω

GND

≤ 1ns

VT = 1.5V

INCLUDING

JIG AND

(a)

(b)

(c)

SCOPE

2.5V I/O Test Load

R = 1667Ω

OUTPUT

2.5V

ALL INPUT PULSES

VDDQ

Z0

= 50Ω

OUTPUT

RL

= 50Ω

10%

90%

5 pF

R = 1538Ω

GND

INCLUDING

≤ 1 ns

VT = 1.25V

JIG AND

(a)

SCOPE

(b)

(c)

90%

10%

≤ 1ns

90%

10%

≤ 1 ns

Document Number: 38-05517 Rev. *E Page 11 of 20