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PYA28C64B Datasheet, PDF (8/11 Pages) Pyramid Semiconductor Corporation – Access Times of 150, 200, 250 and 350ns Software Data Protection | |||
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AC TEST CONDITIONS
Input Pulse Levels
Input Rise and Fall Times
Input Timing Reference Level
Output Timing Reference Level
Output Load
GND to 3.0V
10ns
1.5V
1.5V
See Figure 1
TRUTH TABLE
Mode
CE
Read
L
Write
L
Write Inhibit
X
Write Inhibit
X
Standby
H
Output Disable
X
PYA28C64B - 8K x 8 EEPROM
OE WE
L
H
H
L
L
X
X
H
X
X
H
X
I/O
DOUT
DIN
â
â
High Z
High Z
Figure 1. Output Load
Document # EEPROM111 REV 02
Page 8
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