hm62w16256b Renesas Electronics Corporation., hm62w16256b Datasheet - Page 7

• Manufacturer Part Number: hm62w16256b
• Description: 4 M Sram 256-kword X 16-bit - Hitachi Semiconductor
• Manufacturer: Renesas Electronics Corporation.

AC Characteristics (Ta = 0 to +70 C, V
Test Conditions
• Input pulse levels: V
•
• Input timing reference levels: 1.4 V
• Output timing reference levels: 1.4 V/1.4 V (HM62W16256B-5)
•
Read Cycle
Parameter
Read cycle time
Address access time
Chip select access time
Output enable to output valid
Output hold from address change
LB, UB access time
Chip select to output in low-Z
LB, UB enable to low-z
Output enable to output in low-Z
Chip deselect to output in high-Z
LB, UB disable to high-Z
Output disable to output in high-Z
Input rise and fall time: 5 ns
Output load (Including scope and jig)
IL
= 0.4 V, V
: 2.0 V/0.8 V (HM62W16256B-7)
IH
Dout
= 2.4 V
50 pF
Symbol
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
RC
AA
ACS1
ACS2
OE
OH
BA
CLZ1
CLZ2
BLZ
OLZ
CHZ1
CHZ2
BHZ
OHZ
CC
HM62W16256B
-5
Min
55
—
—
—
—
10
—
10
10
5
5
0
0
0
0
= 3.3 V ± 0.3 V, unless otherwise noted.)
500
Max
—
55
55
55
35
—
55
—
—
—
—
20
20
20
20
1.4 V
-7
Min
70
—
—
—
—
10
—
10
10
5
5
0
0
0
0
HM62W16256B Series
Max
—
70
70
70
40
—
70
—
—
—
—
25
25
25
25
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Notes
2, 3
2, 3
2, 3
2, 3
1, 2, 3
1, 2, 3
1, 2, 3
1, 2, 3
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