Hitachi HB56D136BW
The HB56D136 is a 1-M × 36-bit dynamic RAM module, mounted 8 pieces of 4 Mbit DRAM (HM514400CS/CLS) sealed in SOJ package and 2 pieces of 2 Mbit DRAM (HM512200BS/BLS) sealed in SOJ package. The HB56D136 provides common data inputs and outputs.| Part No. | HB56D136BW |
|---|---|
| Datasheet | HB56D136BW Download |
| Manufacturer |  Hitachi |
| Description | High Density Dynamic RAM Module |
| Buy | Stock & Price |
DESCRIPTION
An outline of the HB56D136 is 72-pin single in-line package. Therefore, the HB56D136 makes high density mounting possible without surface mount technology. Decoupling capacitors are mounted beneath each SOJ.FEATURES
● 72-pin — Lead pitch: 1.27 mm● Single 5 V (±5%) supply
● High speed — Access time: 60 ns/70 ns/80 ns (max)
● Low power dissipation — Active mode: 5.46 W/4.94 W/4.41 W (max) — Standby mode: 105 mW (max) 5.25 mW (max) (L-version)
● Fast page mode capability
● 1,024 refresh cycle: 16 ms 128 ms (L-version)
● 3 variations of refresh — RAS only refresh — CAS-before-RAS refresh — Hidden refresh
● TTL compatible HB56D136 Series Ordering Information Type No. HB56D136BW-6C HB56D136BW-7C HB56D136BW-8C HB56D136BW-6CL HB56D136BW-7CL HB56D136BW-8CL HB56D136SBW-6C HB56D136SBW-7C HB56D136SBW-8C HB56D136SBW-6CL HB56D136SBW-7CL HB56D136SBW-8CL Access Time 60 ns 70 ns 80 ns 60 ns 70 ns 80 ns 60 ns 70 ns 80 ns 60 ns 70 ns 80 ns Package 72-pin SIP socket type Contact Pad Gold 72-pin SIP socket type Solder 2 Pin Arrangement HB56D136 Series Pin No.
