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Part Number: AM27C128-45
Description: The Am27C128 is a 128-Kbit, ultraviolet erasable programmable read-only memory. It is organized as 16 ...
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AM27C128-45
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DataSheet
General Description
AM27C128-45 General Description
The Am27C128 is a 128-Kbit, ultraviolet erasable programmable read-only memory. It is organized as 16 Kwords by 8 bits per word, operates from a single +5 V supply, has a static standby mode, and features fast single address location programming. Products are available in windowed ceramic DIP packages, as well as plastic one time programmable (OTP) PDIP and PLCC packages.
Data can be typically accessed in less than 45 ns, allowing high-performance microprocessors to operate ithout any WAIT states. The device offers separate Output Enable (OE#) and Chip Enable (CE#) controls, thus eliminating bus contention in a multiple bus microprocessor system.
AMD's CMOS process technology provides high speed, low power, and high noise immunity. Typical power consumption is only 80 mW in active mode, and 100 W in standby mode.
All signals are TTL levels, including programming signals.
Bit locations may be programmed singly, in blocks, or at random. The device supports AMD's Flashrite programming algorithm (100 s pulses), resulting in a typical programming time of 2 seconds.
AM27C128-45 Maximum Ratings
Storage Temperature
OTP Products. . . . . . . . . . . . . . .. 65 to +125
All Other Products . . . . . . . . . . . .65 to +150
Ambient Temperature
with Power Applied. . . . . . . . . . . 55 to +125
Voltage with Respect to VSS
All pins except A9, VPP, VCC . . 0.6 V to VCC + 0.6 V
A9 and VPP (Note 2) . . . . . . . . . . . . 0.6 V to 13.5 V
VCC (Note 1). . . . . . . . . . . . . . . . . . . .0.6 V to 7.0 V
Notes:
1. Minimum DC voltage on input or I/O pins 0.5 V. During voltage transitions, the input may overshoot VSS to 2.0 V for periods of up to 20 ns. Maximum DC voltage on input and I/O pins is VCC + 5 V. During voltage transitions, input and I/O pins may overshoot to VCC + 2.0 V for periods up to 20 ns.
2. Minimum DC input voltage on A9 is 0.5 V. During voltage transitions, A9 and VPP may overshoot VSS to 2.0 V for periods of up to 20 ns. A9 and VPP must not exceed +13.5 V at any time.
Stresses above those listed under "Absolute Maximum Ratings" may cause permanent damage to the device. This is a stress rating only; functional operation of the device at these or any other conditions above those indicated in the operational sections of this specification is not implied. Exposure of the device to absolute maximum ratings for extended periods may affect device reliability.
AM27C128-45 Features
` Fast access time
- Speed options as fast as 45 ns
` Low power consumption
- 20 A typical CMOS standby current
` JEDEC-approved pinout
` Single +5 V power supply
` ±10% power supply tolerance standard
` 100% Flashrite™ programming
- Typical programming time of 2 seconds
` Latch-up protected to 100 mA from 1 V to VCC + 1 V
` High noise immunity
` Versatile features for simple interfacing
- Both CMOS and TTL input/output compatibility
- Two line control functions
` Standard 28-pin DIP, PDIP, and 32-pin PLCC packages
- Speed options as fast as 45 ns
` Low power consumption
- 20 A typical CMOS standby current
` JEDEC-approved pinout
` Single +5 V power supply
` ±10% power supply tolerance standard
` 100% Flashrite™ programming
- Typical programming time of 2 seconds
` Latch-up protected to 100 mA from 1 V to VCC + 1 V
` High noise immunity
` Versatile features for simple interfacing
- Both CMOS and TTL input/output compatibility
- Two line control functions
` Standard 28-pin DIP, PDIP, and 32-pin PLCC packages
AM27C128-45 Connection Diagram
Am27C128-45DCB
PDF/DataSheet Download
- Datasheet: Am27C128-45DCB
- File Size: 175993 KB
- Manufacturer: AMD [Advanced Micro Devices]
- Click here to Download
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