NMOS 128K UV EPROM
Jameco Part Number 39933
M27128A
NMOS 128 Kbit (16Kb x 8) UV EPROM
NOT FOR NEW DESIGN
s FAST ACCESS TIME: 200ns
s EXT...
Description
Jameco Part Number 39933
M27128A
NMOS 128 Kbit (16Kb x 8) UV EPROM
NOT FOR NEW DESIGN
s FAST ACCESS TIME: 200ns
s EXTENDED TEMPERATURE RANGE
s SINGLE 5 V SUPPLY VOLTAGE
s LOW STANDBY CURRENT: 40mA max
s TTL COMPATIBLE DURING READ and PROGRAM
s FAST PROGRAMMING ALGORITHM
s ELECTRONIC SIGNATURE
s PROGRAMMING VOLTAGE: 12V
DESCRIPTION The M27128A is a 131,072 bit UV erasable and electrically programmable memory EPROM. It is organized as 16,384 words by 8 bits. The M27128A is housed in a 28 Pin Window Ceramic Frit-Seal Dual-in-Line package. The transparent lid allows the user to expose the chip to ultraviolet light to erase the bit pattern. A new pattern can then be written to the device by following the programming procedure.
28 1
FDIP28W (F)
Figure 1. Logic Diagram VCC VPP
14 A0-A13
8 Q0-Q7
P M27128A E G
VSS
AI00769B
November 2000
This is information on a product still in production but not recommended for new designs.
1/10
M27128A
Table 2. Absolute Maximum Ratings
Symbol
P...
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