The 74LS189 is a high speed 64-bit RAM organized as a 16- word by 4-bit array. Address inputs are buffered to minimize loading and are fully decoded on-chip. The outputs are 3-state and are in the high impedance state whenever the Chip Select (CS) input is HIGH. The outputs are active only in the Read mode and the output data is the complement of the stored data.
Features:-
• 3-State Outputs For Data
Bus Applications
• Buffered Inputs
Minimize Loading
• Address
Decoding On-Chip
•
Diode Clamped Inputs Minimize Ringing
Specifications:-
| Symbol | Parameter | Min | Max | Units | Conditions | |
| VOL | Output Low Voltage | XM | 0.4 | 0.5 | V | VCC= Min |
| lOL = 16 mA (S189) | ||||||
| XC | lOL = 16 mA (74LS189) | |||||
| VOH | Output High Voltage | XM | 2.8 | 2.8 | V | VCC= Min |
| lOL = 0.4 mA (LS189) | ||||||
| XC | lOL = 6.5 mA (74LS189) | |||||
| IOS | Output Short Circuit Current | -80 | mA | Vcc = Max | ||
| ICC | Power Supply Current | 40 | mA | Vcc = Max; WE, CS, Gnd | ||
| Brand/Manufacturer | Generic |
| Country Of Origin | China |
| Packer / Importer Address | Constflick Technologies Limited, Building No 13 and 14, 3rd Floor, 2nd Main, Siddaiah Road, Bangalore, Karnataka - 560027 India. |
* Product Images are shown for illustrative purposes only and may differ from actual product.
74LS189 64-Bit RAM with 3-State Output IC (74189 IC) DIP-16 Package
- Product Code: EC-2534
- Availability: 2050
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Rs.153.40