SST39SF020-90-4I-P 데이터 시트보기 (PDF) - Silicon Storage Technology

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SST39SF020-90-4I-P

2 Megabit (256K x 8) Multi-Purpose Flash

Silicon Storage Technology 

2 Megabit Multi-Purpose Flash

SST39SF020

Preliminary Specifications

VIHT

VHT

VHT

1

INPUT

REFERENCE POINTS

OUTPUT

VLT

VLT

VILT

2

326 ILL F11.1

3

AC test inputs are driven at VIHT (2.4 V) for a logic “1” and VILT (0.4 V) for a logic “0”. Measurement reference points

for inputs and outputs are VHT (2.0 V) and VLT (0.8 V). Inputs rise and fall times (10% ↔ 90%) are <10 ns.

4

Note: VHT–VHIGH Test

VLT–VLOW Test

VIHT–VINPUT HIGH Test

VILT–VINPUT LOW Test

5

FIGURE 12: AC INPUT/OUTPUT REFERENCE WAVEFORMS

6

TEST LOAD EXAMPLE

TO TESTER

7

8

VCC

9

RL HIGH

10

TO DUT

11

CL

RL LOW

12

FIGURE 13: A TEST LOAD EXAMPLE

13

326 ILL F12.1

14

15

16

© 1998 Silicon Storage Technology, Inc.

15

326-10 12/98

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