93C56EN 2K-Bit Serial CMOS EEPROM 5V 400µA PDIP-8
93C56EN: 2048-bit MICROWIRE serial CMOS EEPROM. 5V, 8-pin DIP, 128×16, 100K write cycles, extended -40°C to +85°C temp range.
10.00 ج.م
متوفرالكود 3496300155989
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93C56EN 2K-Bit Serial CMOS EEPROM 5V 400µA PDIP-8
The 93C56EN is a 2048‑bit CMOS electrically erasable programmable memory (EEPROM) organized as 128 × 16‑bit registers, fabricated on floating‑gate CMOS process for high speed and low power. It operates from a single 5 V supply, since VPP is generated on‑board. The serial MICROWIRE‑compatible interface (instruction, address and write data on the Data‑In pin; read data and device status on the Data‑Out pin) allows simple interfacing to standard microcontrollers and microprocessors and saves board space in the 8‑pin DIP package.
Features
- 2048 bits of CMOS EEPROM, organized as 128 × 16‑bit registers
- Typical active current 400 µA; typical standby current 25 µA
- Reliable CMOS floating‑gate technology
- 5 V‑only operation in all modes (VPP generated on‑board)
- MICROWIRE‑compatible serial I/O
- Self‑timed programming cycle with device status signal during programming
- Sequential register read
- Over 40 years data retention
- Designed for 100,000 write cycles
- Shipped erased (all bits = logical 1’s)
Specifications
General Specifications
| Parameter | Specification |
|---|---|
| Device Type | Serial CMOS EEPROM (Electrically Erasable Programmable Memory) |
| Memory Density | 2048 bits |
| Organization | 128 registers × 16 bits (address bit A7 = “don’t care”) |
| Serial Interface | MICROWIRE compatible (CS, SK, DI, DO) |
| Supply Voltage (VCC) | 5 V nominal; 4.5 V to 5.5 V operating (VPP generated on-board; 5 V-only operation in all modes) |
| Package | 8-Pin Dual-In-Line (DIP), NS Package Number N08E |
| Ambient Operating Temperature | −40°C to +85°C (Extended Temperature Range) |
| Instruction Set (7) | READ, EWEN, ERASE, ERAL, WRITE, WRAL, EWDS |
| Data Retention | Over 40 years |
| Write Endurance | Designed for 100,000 write cycles |
DC Electrical Characteristics (VCC = 5 V ±10%)
| Symbol | Parameter | Conditions | Min | Max | Units |
|---|---|---|---|---|---|
| — | Typical Active Current | — | — | 400 (typ) | µA |
| — | Typical Standby Current | — | — | 25 (typ) | µA |
| ICC1 | Operating Current (CMOS Input Levels) | CS = VIH, SK = 0.5 MHz | — | 2 | mA |
| ICC2 | Operating Current (TTL Input Levels) | CS = VIH, SK = 0.5 MHz | — | 3 | mA |
| ICC3 | Standby Current | CS = 0 V | — | 100 | µA |
| IL | Input Leakage | VIN = 0 V to VCC | −10 | 10 | µA |
| IOL | Output Leakage | VIN = 0 V to VCC | −10 | 10 | µA |
| VIL | Input Low Voltage | — | −0.1 | 0.8 | V |
| VIH | Input High Voltage | — | 2 | VCC+1 | V |
| VOL1 | Output Low Voltage | IOL = 2.1 mA | — | 0.4 | V |
| VOH1 | Output High Voltage | IOH = 400 µA | 2.4 | — | V |
| VOL2 | Output Low Voltage | IOL = 10 µA | — | 0.2 | V |
| VOH2 | Output High Voltage | IOH = −10 µA | VCC−0.2 | — | V |
AC Electrical Characteristics / Timing (VCC = 5 V ±10%)
| Symbol | Parameter | Conditions | Min | Max | Units |
|---|---|---|---|---|---|
| fSK | SK Clock Frequency | — | 0 | 0.5 | MHz |
| — | Minimum SK Clock Period | Note 3 | 2 | — | µs |
| tSKH | SK High Time | Note 3 | 500 | — | ns |
| tSKL | SK Low Time | Note 3 | 500 | — | ns |
| tCS | Minimum CS Low Time | Note 5 | 500 | — | ns |
| tCSS | CS Setup Time | Relative to SK | 100 | — | ns |
| tCSH | CS Hold Time | Relative to SK | 0 | — | ns |
| tDIS | DI Setup Time | Relative to SK | 200 | — | ns |
| tDIH | DI Hold Time | Relative to SK | 200 | — | ns |
| tPD1 | Output Delay to “1” | AC Test | — | 1000 | ns |
| tPD0 | Output Delay to “0” | AC Test | — | 1000 | ns |
| tSV | CS to Status Valid | AC Test | — | 1000 | ns |
| tDF | CS to DO in TRI-STATE | AC Test, CS = VIL | — | 200 | ns |
| tWP | Write Cycle Time | — | — | 10 | ms |
Capacitance (TA = 25°C, f = 1 MHz)
| Symbol | Parameter | Max | Units |
|---|---|---|---|
| CIN | Input Capacitance | 5 | pF |
| COUT | Output Capacitance | 5 | pF |
AC Test Conditions
| Parameter | Condition |
|---|---|
| Output Load | 1 TTL Gate and CL = 100 pF |
| Input Pulse Levels | 0.4 V to 2.4 V |
| Timing Measurement Reference Level — Input | 1 V and 2 V |
| Timing Measurement Reference Level — Output | 0.8 V and 2 V |
Absolute Maximum Ratings
| Parameter | Rating |
|---|---|
| Ambient Storage Temperature | −65°C to +150°C |
| All Input or Output Voltages with Respect to Ground | −0.3 V to +6.5 V |
| Lead Temperature (Soldering, 10 sec.) | +300°C |
| ESD Rating | 2000 V |
Applications
- Microcontroller/Microprocessor Data Storage
- Space-Constrained Circuit Boards
- Low-Power & Portable Electronics
- Legacy System Upgrades & Replacements
- Industrial & Harsh-Environment Equipment
Package Content
- 1 x 93C56EN 2K-Bit Serial CMOS EEPROM 5V 400µA PDIP-8
DataSheet
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