IS62WV2568DALL Datasheet, PDF (6/14 Pages) Integrated Silicon Solution, Inc – TTL compatible interface levels

IS62/65WV2568DALL,IS62/65WV2568DBLL
READ CYCLE SWITCHING CHARACTERISTICS⁽¹⁾ (Over Operating Range)
35ns
45ns
55ns
Symbol
Parameter
Min. Max. Min. Max. Min. Max.
trc
Read Cycle Time
35
—
45 —
55
—
taa
toha
tacs1/tacs2
Address Access Time
Output Hold Time
CS1/CS2 Access Time
—
35
—
45
—
55
10
—
10 —
10
—
—
35
—
45
—
55
tdoe
OE Access Time
—
15
—
20
—
25
thzoe⁽²⁾
OE to High-Z Output
—
10
—
15
—
20
tlzoe⁽²⁾
OE to Low-Z Output
5
—
5
—
5
—
thzcs1/thzcs2⁽²⁾
CS1/CS2 to High-Z Output
0
10
0
15
0
20
tlzcs1/tlzcs2⁽²⁾
CS1/CS2 to Low-Z Output
10
—
10 —
10
—
Notes:
1. Test conditions and output loading conditions are specified in the AC Test Conditions and AC Test Loads (Figure 1).
2. Tested with the load in Figure 2. Transition is measured ±500 mV from steady-state voltage. Not 100% tested.
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
AC WAVEFORMS
READ CYCLE NO. 1^(1,2) (Address Controlled) (CS1 = OE = Vil, CS2 = WE = Vih)
ADDRESS
DOUT
tRC
tAA
tOHA
PREVIOUS DATA VALID
tOHA
DATA VALID
6
Integrated Silicon Solution, Inc. — www.issi.com
Rev.  C
05/24/2013