AdvancedCAT28C512/513
4
Doc. No. 25074-00 2/98
MODE SELECTION
Mode CE WE OE I/O Power
Read L H L D
OUT
ACTIVE
Byte Write (WE Controlled) L H D
IN
ACTIVE
Byte Write (CE Controlled) L H D
IN
ACTIVE
Standby, and Write Inhibit H X X High-Z STANDBY
Read and Write Inhibit X H H High-Z ACTIVE
CAPACITANCE T
A
= 25°C, f = 1.0 MHz, V
CC
= 5V
Symbol Test Max. Units Conditions
C
I/O
(1)
Input/Output Capacitance 10 pF V
I/O
= 0V
C
IN
(1)
Input Capacitance 6 pF V
IN
= 0V
Note:
(1) This parameter is tested initially and after a design or process change that affects the parameter.
(2) Output floating (High-Z) is defined as the state when the external data line is no longer driven by the output buffer.
28C512/513-12 28C512/513-15
Symbol Parameter Min. Max. Min. Max. Units
t
RC
Read Cycle Time 120 150 ns
t
CE
CE Access Time 120 150 ns
t
AA
Address Access Time 120 150 ns
t
OE
OE Access Time 50 70 ns
t
LZ
(1)
CE Low to Active Output 0 0 ns
t
OLZ
(1)
OE Low to Active Output 0 0 ns
t
HZ
(1)(2)
CE High to High-Z Output 50 50 ns
t
OHZ
(1)(2)
OE High to High-Z Output 50 50 ns
t
OH
(1)
Output Hold from Address Change 0 0 ns
A.C. CHARACTERISTICS, Read Cycle
V
CC
=5V + 10%, Unless otherwise specified
Symbol Parameter Min. Max Units
t
PUR
(1)
Power-up to Read Operation 100 µs
t
PUW
(2)
Power-up to Write Operation 5 10 ms
Power-Up Timing
