MBM2148-70L
FEATURES
- Organization: 1024 words x 4 bits
- Static operation; no clock or timing strobe required
- Fast access time: MBM2148-55L: 55 ns max. MBM2148- 70L: 70 ns max.
- Low power consumption: Icc = 125m A max.
IS8 = 20m A max.
- Single +5V DC supply voltage (±10% tolerance)
- mon data input/output
- TIL patible inputs/outputs
- Three- state output with OR- tie capability
- Chip select for simplified memory expansion, automatic power down
- Standard 1S-pin DIP package
- Pin patible with Intel 2148
MBM2148 BLOCK DIAGRAM
A4~---j~=r-1 r
- -
- -
- , ~vcc
A5
A.~---D!::=:::l ROW
A7 ~--~==1 SELECT
MEMORY ARRAY ---=:ovss'
648~~~U~~S
A. ~---D!::=:::l
A.~--~==1
COLUMN
I/O, ~~-tr--r-1:3 I/O CIRCUITS
1/02~+Hr----j INPUT
DATA
~tit-Hr--jc'ONTRO
COLUMN SELECT
CERDIP PACKAGE Dlp- 18C- C01
PIN ASSIGNMENT
A6
Vee
As
A7
A4
As
A3...
