CY7C1021D-10ZSXA データシートの表示（PDF） - Cypress Semiconductor

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CY7C1021D-10ZSXA

1-Mbit (64 K × 16) Static RAM

Cypress Semiconductor 

CY7C1021D

Capacitance

Parameter [4]

Description

CIN

COUT

Input capacitance

Output capacitance

Test Conditions

TA = 25C, f = 1 MHz, VCC = 5.0 V

Max

Unit

8

pF

8

pF

Thermal Resistance

Parameter [4]

Description

JA

Thermal resistance

(junction to ambient)

JC

Thermal resistance

(junction to case)

Test Conditions

Still Air, soldered on a 3 × 4.5 inch, four-layer

printed circuit board

44-pin SOJ

59.52

36.75

44-pin TSOP II Unit

53.91

C/W

21.24

C/W

AC Test Loads and Waveforms

Figure 2. AC Test Loads and Waveforms [5]

OUTPUT

Z = 50 

* CAPACITIVE LOAD CONSISTS

OF ALL COMPONENTS OF THE

TEST ENVIRONMENT

50 

1.5 V

(a)

30 pF*

3.0 V

GND

ALL INPUT PULSES

90%

90%

10%

10%

Rise Time: 3 ns

(b)

Fall Time: 3 ns

High-Z characteristics:

R1 480

5V

OUTPUT

INCLUDING

JIG AND

SCOPE

5 pF

(c)

R2

255

Notes

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

5. AC characteristics (except High Z) are tested using the load conditions shown in Figure 2 (a). High Z characteristics are tested for all speeds using the test load

shown in Figure 2 (c).

Document Number: 38-05462 Rev. *M

Page 5 of 17

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