English
Language : 

PYA28C64B Datasheet, PDF (8/11 Pages) Pyramid Semiconductor Corporation – Access Times of 150, 200, 250 and 350ns Software Data Protection
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
—
—
High Z
High Z
Figure 1. Output Load
Document # EEPROM111 REV 02
Page 8