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| Part Details | Price (USD) | Global Stock | Lead Time | Date Code | Package | Package Style | Memory Density | Memory Organization | Supply Voltage-Nom | Write Cycle Time-Max (tWC) | Access Time-Max | Mounting Feature |
 M24256-DFMN6TP STMicroelectronics M24256-DF Series 256 Kb (32 K x 8) 5.5 V SMT Serial I²C bus EEPROM - SOIC-8 | Qty Unit Price 2,500 $0.185 5,000 $0.182 7,500 $0.181 10,000 $0.18 12,500 $0.177 | 5,000 Ready to Ship! | 10 Weeks | 2438 | Reel | SOIC-8 | 256kb | 32 K x 8 | 1.7V to 5.5V | 5ms | Surface Mount | |
| Qty Unit Price 1,000 $10.34 | 3,000 Ready to Ship! | 8 Weeks | 2351 | Reel | SOIC-28 | 256kb | 32 K x 8 | 4.5V to 5.5V | 10ms | 150ns | Surface Mount | |
 AT28C64B-15PU Microchip AT28C64B Series 64 KB (8 K x 8) 5.5 V High-Performance Parallel EEPROM - DIP-28 | Qty Unit Price 1 $4.87 10 $4.77 40 $4.68 125 $4.61 400 $4.47 | 1,081 Ready to Ship! | 6 Weeks | 2442 | Tube | PDIP-28 | 64kb | 8 K x 8 | 4.5V to 5.5V | 10ms | 150ns | Through Hole |
 AT28HC256-12JU Microchip AT28HC256 Series 256 Kb (32 K x 8) 5.5 V High-Speed Parallel EEPROM - PLCC-32 | Qty Unit Price 32 $10.14 64 $10.08 128 $10.03 160 $10.01 480 $9.91 | 928 Ready to Ship! | 31 Weeks | 2441 | Tube | PLCC-32 | 256kb | 32 K x 8 | 4.5V to 5.5V | 10ms | 70ns | Surface Mount |
 AT28C010-12JU Microchip AT28C010 Series 1 Mb (128 K x 8) 5.5 V 120 ns Paged Parallel EEPROM - PLCC-32 | Qty Unit Price 32 $46.05 64 $45.51 | 288 Ready to Ship! | 4 Weeks | 2324 | Tube | PLCC-32 | 1Mb | 128 K x 8 | 4.5V to 5.5V | 10ms | 120ns | Surface Mount |
| Qty Unit Price 32 $10.14 64 $10.08 128 $10.03 160 $10.01 480 $9.91 | 288 Ready to Ship! | 4 Weeks | 2445 | Tube | PLCC-32 | 256kb | 32 K x 8 | 4.5V to 5.5V | 150ns | Surface Mount | ||
| Qty Unit Price 32 $12.12 64 $12.05 96 $12.01 160 $11.97 320 $11.86 | 128 Ready to Ship! | 4 Weeks | 2503 | Tube | ||||||||
 AT28HC64BF-12JU Microchip AT28HC64BF Series 64 Kb (8 K x 8) 5.5 V High Speed Parallel EEPROM - PLCC-32 | Qty Unit Price 32 $5.12 96 $5.05 160 $5.01 320 $4.96 640 $4.89 | 64 Ready to Ship! | 32 Weeks | 2437 | Tube | LCC-32 | 64kb | 8Kx8 | 4.5V to 5.5V | 10ms | 120ns | Surface Mount |
| Qty Unit Price 1 $9.95 5 $9.83 25 $9.70 75 $9.62 200 $9.48 | 42 Ready to Ship! | 6 Weeks | 2438 | Tube | PDIP-28 | 256kb | 32 K x 8 | 4.5V to 5.5V | 10ms | 150ns | Through Hole | |
| AT28C256-15JU Microchip AT28C256 Series 256 Kb (32 K x 8) 5.5 V 150 ns Paged Parallel EEPROM - PLCC-32 | Qty Unit Price 1 $9.57 5 $9.46 25 $9.35 100 $9.26 250 $9.12 | 14 Ready to Ship! | 32 Weeks | 2420 | Tube | PLCC-32 | 256kb | 32 K x 8 | 4.5V to 5.5V | 10ms | 150ns | Surface Mount |
| Qty Unit Price 34 $192.37 | 0 | 23 Weeks | Bulk | CLCC-32 | 256kb | 32 K x 8 | 4.5V to 5.5V | 10ms | 150ns | Surface Mount | ||
| Qty Unit Price 2,500 $1.15 | 0 | 6 Weeks | Reel | TSSOP-8 | 128kb | 16 K x 8 | 2.5V to 5.5V | 5ms | Surface Mount | |||
 AT28HC256-12SU-T Microchip EEPROM, 256KBIT, -40 TO 85DEG C Memory Size256Kbit EEPROM Memory Configuratio | Qty Unit Price 1,000 $10.76 | 0 | 8 Weeks | Reel | ||||||||
| M24256-DFMN6TP STMicroelectronics M24256-DF Series 256 Kb (32 K x 8) 5.5 V SMT Serial I²C bus EEPROM - SOIC-8 | Qty Unit Price 2,500 $0.185 5,000 $0.182 7,500 $0.181 10,000 $0.18 12,500 $0.177 | 0 | 10 Weeks | Reel | SOIC-8 | 256kb | 32 K x 8 | 1.7V to 5.5V | 5ms | Surface Mount | ||
| Qty Unit Price 750 $32.40 | 0 | 18 Weeks | Reel | PLCC-32 | 256kb | 32 K x 8 | 4.5V to 5.5V | 5ms | 120ns | Surface Mount | ||
| AT28BV64B-20JU Microchip AT28BV64B Series 64 Kb (8 K x 8) 3.6 V Battery-Voltage Parallel EEPROM - PLCC-32 | Qty Unit Price 160 $4.89 320 $4.84 480 $4.81 640 $4.79 800 $4.77 | 0 | Std. Mfr. Pkg | PLCC-32 | 64kb | 8 K x 8 | 2.7V to 3.6V | 10ms | 200ns | Surface Mount | ||
 AT28BV64B-20SU Microchip AT28BV64B Series 64 Kb (8K x 8) 3.6 V Battery-Voltage Parallel EEPROM - SOIC-28 | Qty Unit Price 135 $5.17 270 $5.14 405 $5.13 675 $5.11 810 $5.09 | 0 | Std. Mfr. Pkg | SOIC-28 | 64kb | 8 K x 8 | 2.7V to 3.6V | 10ms | 200ns | Surface Mount | ||
| Qty Unit Price 34 $427.92 | 0 | Std. Mfr. Pkg | ||||||||||
| Qty Unit Price 156 $49.54 | 0 | Std. Mfr. Pkg | TSOP-32 | 1Mb | 128 K x 8 | 4.5V to 5.5V | 10ms | 120ns | Surface Mount | |||
| Qty Unit Price 14 $212.35 | 0 | Std. Mfr. Pkg | ||||||||||
| Qty Unit Price 20 $287.32 | 0 | Std. Mfr. Pkg | ||||||||||
| Qty Unit Price 750 $10.73 | 0 | Std. Mfr. Pkg | ||||||||||
 AT28C256E-15SU Microchip AT28C256 Series 256 Kb (32K x 8) 5.5 V 150 ns Paged Parallel EEPROM - SOIC-28 | Qty Unit Price 81 $10.84 108 $10.81 135 $10.80 270 $10.74 405 $10.68 | 0 | Std. Mfr. Pkg | SOIC-28 | 256kb | 32 K x 8 | 4.5V to 5.5V | 5ms | 150ns | Surface Mount | ||
| Qty Unit Price 750 $10.73 | 0 | Std. Mfr. Pkg | ||||||||||
| Qty Unit Price 81 $11.09 108 $11.07 135 $11.05 270 $10.99 405 $10.93 | 0 | Std. Mfr. Pkg |
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