EM564166 Etron Technology Inc., EM564166 Datasheet - Page 5

• Manufacturer Part Number: EM564166
• Description: 256k X 16 Low Power Sram
• Manufacturer: Etron Technology Inc.

EtronTech
AC Characteristics and Operating Conditions (Ta = -40°C to 85°C, V DD = 2.7V to 3.6V)
AC Test Condition
• Output load : 50pF + one TTL gate
• Input pulse level : 0.4V, 2.4V
• Timing measurements : 0.5 x V
• tR, tF : 5ns
Preliminary
Read Cycle
Symbol
Write Cycle
Symbol
t WHZ
t OHZ
t CO1
t BHZ
t OLZ
t BLZ
t WC
t CW
t WR
t OW
t WP
t BW
t RC
t OE
t OH
t DH
t AA
t BA
t HZ
t AS
t DS
t LZ
Read cycle time
Address access time
Chip Enable (CE#) Access Time
Output enable access time
Data Byte Control Access Time
Chip Enable Low to Output in Low-Z
Output enable Low to Output in Low-Z
Data Byte Control Low to Output in Low-Z
Chip Enable High to Output in High-Z
Output Enable High to Output in High-Z
Data Byte Control High to Output in High-Z
Output Data Hold Time
Write cycle time
Write pulse width
Chip Enable to end of write
Data Byte Control to end of Write
Address setup time
Write Recovery time
WE# Low to Output in High-Z
WE# High to Output in Low-Z
Data Setup Time
Data Hold Time
Parameter
Parameter
DD
5
Min
Min
85
55
70
70
35
85
10
0
0
−
5
0
−
−
−
−
3
5
−
−
−
0
-85
-85
Max
Max
35
−
−
−
−
−
−
−
−
−
85
85
45
85
35
35
35
−
−
−
−
−
Min
EM564166
70
55
60
60
30
0
0
−
5
0
Min
EM564166
70
10
−
−
−
−
3
5
−
−
−
0
-70
-70
Max
Rev 1.6
30
−
−
−
−
−
−
−
−
−
Max
70
70
35
70
25
25
25
−
−
−
−
−
Min
55
40
45
45
30
0
0
−
5
0
Min
55
10
EM564166
-55
−
−
−
−
3
5
−
−
−
0
-55
Max
25
−
−
−
−
−
−
−
−
−
Max
55
55
25
55
20
20
20
−
−
−
−
−
Dec. 2007
Unit
ns
Uni
ns
t