HM62W16255HI Series
AC Characteristics (Ta = –40 to +85°C, VCC = 3.3 V ± 0.3 V, unless otherwise noted.)
Test Conditions
• Input pulse levels: 3.0 V/0.0 V
• Input rise and fall time: 3 ns
• Input and output timing reference levels: 1.5 V
• Output load: See figures (Including scope and jig)
Dout Zo=50 Ω
1.5 V
RL=50 Ω
Dout
353 Ω
3.3 V
319Ω
5 pF
Output load (A)
Read Cycle
Parameter
Read cycle time
Address access time
Chip select access time
Output enable to output valid
Byte select to output valid
Output hold from address change
Chip select to output in low-Z
Output enable to output in low-Z
Byte select to output in low-Z
Chip deselect to output in high-Z
Output disable to output in high-Z
Byte deselect to output in high-Z
Output load (B)
(for tCLZ, tOLZ, tLBLZ, tUBLZ, tCHZ, tOHZ,
tLBHZ, tUBHZ, tWHZ, and tOW)
Symbol
t RC
t AA
t ACS
t OE
tLB, tUB
t OH
t CLZ
t OLZ
t , LBLZ tUBLZ
t CHZ
t OHZ
t , LBHZ tUBHZ
HM62W16255HI
-15
Min
Max
15
—
—
15
—
15
—
7
—
7
3
—
3
—
0
—
0
—
—
7
—
7
—
7
Unit
Notes
ns
ns
ns
ns
ns
ns
ns
1
ns
1
ns
1
ns
1
ns
1
ns
1
6