Cypress CY7C1334H manual Capacitance11, Thermal Resistance11, AC Test Loads and Waveforms

							CY7C1334H
Capacitance[11]
Parameter			Description			Test Conditions	100 TQFP	Unit
							Max.
CIN		Input Capacitance				TA = 25°C, f = 1 MHz,	5	pF
						VDD = 3.3V,
CCLK		Clock Input Capacitance					5	pF
						VDDQ = 2.5V
CI/O		Input/Output Capacitance					5	pF
Thermal Resistance[11]
Parameter	Description				Test Conditions		100 TQFP	Unit
							Package
ΘJA	Thermal Resistance			Test conditions follow standard test methods and			30.32	°C/W
	(Junction to Ambient)			procedures for measuring thermal impedance, per
				EIA/JESD51
ΘJC	Thermal Resistance						6.85	°C/W
	(Junction to Case)

AC Test Loads and Waveforms

3.3V I/O Test Load

3.3V

R = 317Ω

OUTPUT

ALL INPUT PULSES

VDDQ

Z0

= 50Ω

OUTPUT

RL

= 50Ω

10%

90%

5 pF

R = 351Ω

GND

≤ 1 ns

VL = 1.5V

INCLUDING

JIG AND

(a)

(b)

(c)

SCOPE

2.5V I/O Test Load

2.5V

R = 1667Ω

OUTPUT

ALL INPUT PULSES

VDDQ

Z0

= 50Ω

OUTPUT

10%

90%

RL = 50Ω

5 pF

R =1538Ω

GND

≤ 1 ns

INCLUDING

VT = 1.25V

JIG AND

SCOPE

(a)

(b)

(c)

90%

10%

≤ 1 ns

90%

10%

≤ 1 ns

Notes:

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

Document #: 38-05678 Rev. *B Page 8 of 13

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