SMJ44400
SMJ44400 is 1M x 4 DRAM manufactured by Micross.
FEATURES
- Organized 1,048,576 x 4
- Single +5V ±10% power supply
- Enhanced Page-Mode operation for faster memory access
3 Higher data bandwidth than conventional page-mode parts
3 Random Single-Bit Access within a row with a column address
- CAS-Before-RAS (CBR) Refresh
- Long Refresh period: 1024-cycle Refresh in 16ms (Max)
- 3-State unlatched Output
- Low Power Dissipation
- All Inputs/Outputs and Clocks are TTL patible
- Processing to MIL-STD-883, Class B available
PIN ASSIGNMENT (Top View)
20-Pin DIP (JD) 20-Pin Flatpack (HR)
(400 MIL)
DQ1 DQ2
W RAS
A9 A0 A1 A2 A3 Vcc
1 2 3 4 5 6 7 8 9 10
20 Vss 19 DQ4 18 DQ3 17 CAS 16 OE 15 A8 14 A7 13 A6 12 A5 11 A4
Pin Name
Function
A0
- A9 Address Inputs
CAS Column-Address Strobe
DQ1
- DQ4 Data Inputs/Outputs
OE Output Enable
RAS Row-Address Strobe
W Write Enable
Vcc 5V...
