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Part Name(s) : NMC27C32B NMC27C32BQ150 NMC27C32BQ200 NMC27C32BQ250 NMC27C32BQE200 Fairchild
Fairchild Semiconductor
Description : 32,768-Bit (4096 x 8) CMOS EPROM View

General Description
The NMC27C32B is a 32k UV erasable and electrically reprogrammable CMOS EPROM, ideally suited for applications where fast turnaround, pattern experimentation and low power consumption are important requirements.
The NMC27C32B is designed to operate with a single a5V power supply with g10% tolerance.
The NMC27C32B is packaged in a 24-pin dual-in-line package with a quartz window. The quartz window allows the user to expose the chip to ultraviolet light to erase the bit pattern. A new pattern can then be written electrically into the device by following the programming procedure.
This EPROM is fabricated with National’s proprietary, time proven CMOS double-poly silicon gate technology which combines high performance and high density with low power consumption and excellent reliability.

Features
■ Low CMOS power consumption
    — Active Power: 55 mW Max
    — Standby Power: 0.55 mW Max
■ Extended temperature range, -40°C to a85°C
■ Fast and reliable programming
■ TTL, CMOS compatible inputs/outputs
■ TRI-STATE® output
■ Manufacturer’s identification code for automatic programming
■ High current CMOS level output drivers
■ Compatible with NMOS 2732

Part Name(s) : NMC27C32B NMC27C32BQ NMC27C32BQ150 NMC27C32BQ200 NMC27C32BQ250 NMC27C32BQE200 National-Semiconductor
National ->Texas Instruments
Description : 32,768-Bit (4096 x 8) CMOS EPROM View

General Description
The NMC27C32B is a 32k UV erasable and electrically reprogrammable CMOS EPROM, ideally suited for applications where fast turnaround, pattern experimentation and low power consumption are important requirements. The NMC27C32B is designed to operate with a singlea +5V power supply with ±10% tolerance.

Features
Low CMOS power consumption
 -Active Power: 55 mW Max
 -Standby Power: 0.55 mW Max
Extended temperature range,b40§Ctoa85§C
Fast and reliable programming
TTL, CMOS compatible inputs/outputs
TRI-STATEÉoutput
Manufacturer's identification code for automatic programming
High current CMOS level output drivers
Compatible with NMOS 2732

Part Name(s) : CTM8B556E CTM8B556EN CTM8B556EP CTM8B57P Ceramate
CERAMATE TECHNICAL
Description : EPROM-based 8-bit CMOS microcontroller View

CTM8B5X series is an EPROM based 8-bit microcontroller which employs a full CMOS technology enhanced with low-cost, high speed and high noise immunity.  Watchdog Timer, RAM, EPROM, tri-state I/O port, power down mode, and real time programmable clock/counter are integrated into this chip.CTM8B5X contains 33 instructions, all are single cycle except for program branches which take two cycles.

On chip memory is available with 512x14 bits of EPROM for CTM8B54E/55E, 1Kx14 bits of EPROM for CTM8B56E, 2Kx14 bits of EPROM for CTM8B57E and 24 to 72 bytes of static RAM.

 

Part Name(s) : M6M80041P M6M80041FP Mitsubishi
MITSUBISHI ELECTRIC
Description : 4096-BIT (256-WORD BY 16-BIT) ELECTRICALLY ERASABLE AND PROGRAMMABLE ROM View

4096-BIT (256-WORD BY 16-BIT) ELECTRICALLY ERASABLE AND PROGRAMMABLE ROM


Part Name(s) : NMC93C56 NMC93C66 NMC93C56N NMC93C56M NMC93C56EN NMC93C56EM NMC93C56MN NMC93C56MM NMC93C56E NMC93C66N NMC93C66M NMC93C66EN NMC93C66EM NMC93C66MN NMC93C66MM NMC93C66E National-Semiconductor
National ->Texas Instruments
Description : 2048-Bit / 4096-Bit Serial Electrically Erasable Progrmmable Memories View
2048-Bit / 4096-Bit Serial Electrically Erasable Progrmmable Memories
Part Name(s) : M5M5256CFP-10LL M5M5256CFP-10LX M5M5256CFP-10XL M5M5256CKP-10LL M5M5256CKP-10LX M5M5256CKP-10XL M5M5256CP-10LL M5M5256CP-10LX M5M5256CP-10XL M5M5256CRV-10LL M5M5256CRV-10LX M5M5256CRV-10XL M5M5256CVP-10LL M5M5256CVP-10LX M5M5256CVP-10XL M5M5256CVP-85LL M5M5256CVP-85LX M5M5256CVP-85XL M5M5256CFP M5M5256CFP-100LL M5M5256CFP-100LX M5M5256CFP-100XL M5M5256CFP-85LL M5M5256CFP-85LX M5M5256CFP-85XL Mitsubishi
MITSUBISHI ELECTRIC
Description : 262144-BIT(32768-WORD BY 8-BIT) CMOS STATIC RAM View

262144-BIT(32768-WORD BY 8-BIT) CMOS STATIC RAM

Part Name(s) : MCM2532C MCM2532 Motorola
Motorola => Freescale
Description : 4096 x 8-BIT UV ERASABLE PROM View

4096 x 8-BIT UV ERASABLE PROM (N-CHANNEL, SILICON-GATE)

Part Name(s) : CTM8B54EN CTM8B54EP CTM8B54E CTM8B55EM CTM8B55EN CTM8B55EP CTM8B55E CTM8B56EN CTM8B56EP CTM8B56E CTM8B57EM CTM8B57EN CTM8B57EP CTM8B57E Ceramate
CERAMATE TECHNICAL
Description : EPROM-Based 8-Bit CMOS Microcontroller View

GENERAL DESCRIPTION
CTM8B5X series is an EPROM based 8-bit microcontroller which employs a full CMOS technology enhanced with low-cost, high speed and high noise immunity. Watchdog Timer, RAM, EPROM, tri-state I/O port, power down mode, and real time programmable clock/counter are integrated into this chip. CTM8B5X contains 33 instructions, all are single cycle except for program branches which take two cycles.
On chip memory is available with 512x14 bits of EPROM for CTM8B54E/55E, 1Kx14 bits of EPROM for CTM8B56E, 2Kx14 bits of EPROM for CTM8B57E and 24 to 72 bytes of static RAM.

FEATURES
• Total of 33 single word instructions .
• The fast execution time may be 200ns for all single
   cycle instructions under 20MHz operating.
• Operating voltage range: 2.3V ~ 6.5V
• 8-bit data bus.
• 14-bit instruction word.
• Four-level stacks.
• On chip EPROM size :
   512x14 bits for CTM8B54E/55E,
   1Kx14 bits for CTM8B56E,
   2Kx14 bits for CTM8B57E.
• Internal RAM size : 25 bytes for CTM8B54E/56E, 24 bytes for CTM8B55E,
• 72 bytes for CTM8B57E.
• Direct and indirect addressing modes for data accessing
• 8-bit real time clock/counter with 8-bit programmable prescaler.
• Internal power-on Reset.
• Device Reset Timer.
• Code protection.
• Sleep mode for power saving.
• On chip Watchdog Timer(WDT) based on internal RC oscillator.
• Three I/O ports PA, PB nad PC with independent direction control.
• 4 types of oscillator can be selected by code options:
   - RC : Low-cost RC oscillator
   - XTAL : Standard crystal oscillator
   - HFXTAL : High frequency crystal oscillator
   - LFXTAL : Low frequency crystal oscillator

Part Name(s) : MTU8B54E MTU8B54EN MTU8B54EP MTU8B55E MTU8B55EM MTU8B55EN MTU8B55EP MTU8B56E MTU8B56EN MTU8B56EP MTU8B57E MTU8B57EM MTU8B57EN MTU8B57EP Myson
Myson Century Inc
Description : EPROM-Based 8-Bit CMOS Microcontroller View

GENERAL DESCRIPTION
MTU8B5X series is an EPROM based 8-bit microcontroller which employs a full CMOS technology
enhanced with low-cost, high speed and high noise immunity. Watchdog Timer, RAM, EPROM, tri-state I/O port, power down mode, and real time program mable clock/counter are integrated into this chip. MTU8B5X contains 33 instructions, all are single cycle except for program branches which take two cycles.
On chip memory is available with 512x14 bits of EPROM for MTU8B54E/55E, 1Kx14 bits of EPROM
for MTU8B56E, 2Kx14 bits of EPROM for MTU8B57E and 24 to 72 bytes of static RAM. 

FEATURES
• Total of 33 single word instructions .
• The fast execution time may be 200ns for all single
cycle instructions under 20MHz operating.
• Operating voltage range: 2.3V ~ 6.5V
• 8-bit data bus.
• 14-bit instruction word.
• Four-level stacks.
• On chip EPROM size : 512x14 bits for MTU8B54E/55E,  1Kx14 bits for MTU8B56E, 2Kx14 bits forMTU8B57E.
• Internal RAM size : 25 bytes for MTU8B54E/56E, 24 bytes for MTU8B55E, 72 bytes for MTU8B57E.
• Direct and indirect addressing modes for data accessing
• 8-bit real time clock/counter with 8-bit programmable prescaler.
• Internal power-on Reset.
• Device Reset Timer.
• Code protection.
• Sleep mode for power saving.
• On chip Watchdog Timer(WDT) based on internal RC oscillator.
• Three I/O ports PA, PB nad PC with independent direction control.
•   4 types of oscillator can be selected by code options:
- RC : Low-cost RC oscillator
- XTAL : Standard crystal oscillator
- HFXTAL : High frequency crystal oscillator
- LFXTAL : Low frequency crystal oscillator

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