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Numéro de référence | HM514280A | ||
Description | 18-bit Dynamic Random Access Memory | ||
Fabricant | Renesas Technology | ||
Logo | |||
1 Page
HM514280A/AL Series
262,144-word × 18-bit Dynamic Random Access Memory
The Hitachi HM514280A/AL are CMOS dynamic
RAM organized as 262,144-word × 18-bit.
HM514280A/AL have realized higher density,
higher performance and various functions by
employing 0.8 µm CMOS process technology and
some new CMOS circuit design technologies. The
HM514280A/AL offer fast page mode as a high
speed access mode.
Multiplexed address input permits the
HM514280A/AL to be packaged in standard 400-
www.DataShmeielt44U0.c-pomin plastic SOJ, standard 475-mil 40-pin
plastic ZIP and standard 400-mil 44-pin plastic
TSOPII.
Features
• Single 5 V (±10%)
• High speed
– Access time: 70 ns/80 ns (max)
• Low power dissipation
– Active mode: 825 mW/770 mW (max)
– Standby mode: 11 mW (max)
1.1 mW (max) (L-version)
• Fast page mode capability
• 512 refresh cycles: 8 ms
128 ms (L-version)
• 2 CAS byte control
• 2 variations of refresh
– RAS -only refresh
– CAS -before-RAS refresh
• Battery back up operation (L-version)
Ordering Information
Access
Type No.
time
Package
——————————————————————–
HM514280AJ-7
70 ns
400-mil 40-pin
HM514280AJ-8
80 ns
plastic SOJ
(CP-40D)
——————————————————————–
HM514280AZ-7
70 ns
475-mil 40-pin
HM514280AZ-8
80 ns
plastic ZIP
(ZP-40)
——————————————————————–
HM514280ATT-7
70 ns
400-mil 44-pin
HM514280ATT-8
80 ns
plastic TSOPII
(TTP-44/40DB)
——————————————————————–
HM514280ALJ-7
70 ns
400 mil 40-pin
HM514280ALJ-8
80 ns
plastic SOJ
(CP-40D)
——————————————————————–
HM514280ALZ-7
70 ns
475-mil 40-pin
HM514280ALZ-8
80 ns
plastic ZIP
(ZP-40)
——————————————————————–
HM514280ALTT-7
70 ns
400 mil 44-pin
HM514280ALTT-8
80 ns
plastic TSOPII
(TTP-44/40DB)
——————————————————————–
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Pages | Pages 22 | ||
Télécharger | [ HM514280A ] |
No | Description détaillée | Fabricant |
HM514280A | 18-bit Dynamic Random Access Memory | Renesas Technology |
HM514280AL | 18-bit Dynamic Random Access Memory | Renesas Technology |
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www.DataSheetWiki.com | 2020 | Contactez-nous | Recherche |