CY7C1325H Просмотр технического описания (PDF) - Cypress Semiconductor

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производитель

CY7C1325H

4-Mbit (256 K × 18) Flow-Through Sync SRAM

Cypress Semiconductor 

CY7C1325H

AC Test Loads and Waveforms

Figure 2. AC Test Loads and Waveforms

3.3 V I/O Test Load

OUTPUT

3.3 V

Z0 = 50 

OUTPUT

RL = 50 

5 pF

INCLUDING

VT = 1.5 V

(a)

JIG AND

SCOPE

2.5 V I/O Test Load

OUTPUT

2.5 V

Z0 = 50 

OUTPUT

RL = 50 

5 pF

INCLUDING

VT = 1.25 V

(a)

JIG AND

SCOPE

R = 317 

R = 351 

VDDQ

GND

ALL INPUT PULSES

10%

90%

 1 ns

90%

10%

 1 ns

(b)

(c)

R = 1667 

VDDQ

R = 1538 

GND

10%

 1 ns

ALL INPUT PULSES

90%

(b)

(c)

90%

10%

 1 ns

Document Number: 001-86114 Rev. **

Page 11 of 21

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