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HM62W16255HC Datasheet(PDF) 8 Page - Hitachi Semiconductor

Part No. HM62W16255HC
Description  4M High Speed SRAM (256-kword x 16-bit)
Download  18 Pages
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Maker  HITACHI [Hitachi Semiconductor]
Homepage  http://www.renesas.com/eng
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HM62W16255HC Datasheet(HTML) 8 Page - Hitachi Semiconductor

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HM62W16255HC Series
8
AC Characteristics (Ta = 0 to +70
°C, V
CC = 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)
Output load (B)
(for tCLZ, tOLZ, tLBLZ, tUBLZ, tCHZ, tOHZ,
tLBHZ, tUBHZ, tWHZ, and tOW)
Dout
353
319
3.3 V
5 pF
1.5 V
30 pF
Dout
RL=50
Output load (A)
Zo=50
Read Cycle
HM62W16255HC
-10
Parameter
Symbol
Min
Max
Unit
Notes
Read cycle time
t
RC
10
ns
Address access time
t
AA
—10
ns
Chip select access time
t
ACS
—10
ns
Output enable to output valid
t
OE
—5
ns
Byte select to output valid
t
LB, tUB
—5
ns
Output hold from address change
t
OH
3—
ns
Chip select to output in low-Z
t
CLZ
3
ns
1
Output enable to output in low-Z
t
OLZ
0
ns
1
Byte select to output in low-Z
t
LBLZ, t UBLZ
0
ns
1
Chip deselect to output in high-Z
t
CHZ
5
ns
1
Output disable to output in high-Z
t
OHZ
5
ns
1
Byte deselect to output in high-Z
t
LBHZ, t UBHZ
5
ns
1


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