27C512 SYC | Alldatasheet
Document overview
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Technical content
E Figure 1. Logic Diagram PROGRAMMING TIMES of AROUND 6sec.
DESCRIPTION
The M27C512 is a high speed 524,288 bit UV erasable and electrically programmable EPROM ideally suited for applications where fast turn- around and pattern experimentation are important requirements. Its is organized as 65,536 by 8 bits. The Window Ceramic Frit-Seal Dual-in-Line pack- age has transparent lid which 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. For applications where the content is programmed only one time and erasure is not required, the M27C512 is offered in Plastic Dual-in-Line, Plastic Thin Small Outline and Plastic Leaded Chip Carrier packages. A0 - A15 Address Inputs Q0 - Q7 Data Outputs E Chip Enable GV PP Output Enable / Program Supply VCC Supply Voltage VSS Ground Table 1. Signal Names
relevant quality documents .
- Minimum DC voltage on Input or Output is –0.5V with possible undershoot to –2.0V for a period less than 20ns. Maximum DC
CC +0.5V with possible overshoot to VCC +2V for a period less than 20ns. Table 2. Absolute Maximum Ratings(1) Table 3. Operating Modes Table 4. Electronic Signature is required from a particular memory device.
Notes:1. VCC must be applied simultaneously with or before VPP and removed simultaneously or after VPP .
- Maximum DC voltage on Output is VCC +0.5V.
Table 7. Read Mode DC Characteristics(1) Notes.1. VCC must be applied simultaneously with or before VPP and removed simultaneously or after VPP .
- Sampled only, not 100% tested.
- In case of 45ns speed see High Speed AC measurement conditions.
Notes.1. VCC must be applied simultaneously with or before VPP and removed simultaneously or after VPP .
- Sampled only, not 100% tested.
Figure 5. Read Mode AC Waveforms applied to 8 bits in parallel to the data output pins. are TTL. VCC is specified to be 6.25V± 0.25V.
Notes:1. VCC must be applied simultaneously with or before VPP and removed simultaneously or after VPP .
- Sampled only, not 100% tested.
Table 11. Programming Mode AC Characteristics(1) Note: 1. VCC must be applied simultaneously with or before VPP and removed simultaneously or after VPP . Table 9. Programming Mode DC Characteristics(1) Note: 1. VCC must be applied simultaneously with or before VPP and removed simultaneously or after VPP . Table 10. MARGIN MODE AC Characteristics(1)
Figure 8. Programming Flowchart that each cell is programmed with enough margin. applied to each byte until a correct verify occurs. in MARGIN MODE provides the necessary margin.
- The erasure time withthis dosage
ORDERING INFORMATION SCHEME Note: 1. High Speed, see AC Characteristics section for further information For alist of availableoptions(Speed, VCC Tolerance, Package, etc...)refer to the current Memory Shortform catalogue. For further information on any aspect of this device, please contact the SGS-THOMSON Sales Office nearest to you. Speed -45(1) 45 ns -60 60 ns -70 70 ns -80 80 ns -90 90 ns -10 100 ns -12 120 ns -15 150 ns -20 200 ns -25 250 ns V CC Tolerance X ± 5% blank ± 10% Package F FDIP28W B PDIP28 C PLCC32 N TSOP28 8 x 13.4mm Temperature Range 1 0 to 70 °C 6 –40 to 85 °C 3 –40 to 125 °C Option X Additional Burn-in TR Tape & Reel Packing Example: M27C512 -70 X C 1 TR M27C512
FDIP28W - 28 pin Ceramic Frit-seal DIP, with window FDIPW-a A L B1 B e1 D S E1 E N Cα eA Symb mm inches Typ Min Max Typ Min Max A 5.71 0.225 A1 0.50 1.78 0.020 0.070 A2 3.90 5.08 0.154 0.200 B 0.40 0.55 0.016 0.022 B1 1.17 1.42 0.046 0.056 C 0.22 0.31 0.009 0.012 D 38.10 1.500 E 15.40 15.80 0.606 0.622 E1 13.05 13.36 0.514 0.526 eA 16.17 18.32 0.637 0.721 L 3.18 4.10 0.125 0.161 S 1.52 2.49 0.060 0.098 α 4° 15° 4° 15° N2 8 2 8 FDIP28W Drawing is not to scale M27C512
PDIP28 - 28 pin Plastic DIP, 600 mils width PDIP A L B1 B e1 D S E1 E N Cα eA Symb mm inches Typ Min Max Typ Min Max A 3.94 5.08 0.155 0.200 A1 0.38 1.78 0.015 0.070 A2 3.56 4.06 0.140 0.160 B 0.38 0.56 0.015 0.021 B1 1.14 1.78 0.045 0.070 C 0.20 0.30 0.008 0.012 D 34.70 37.34 1.366 1.470 E 14.80 16.26 0.583 0.640 E1 12.50 13.97 0.492 0.550 eA 15.20 17.78 0.598 0.700 L 3.05 3.82 0.120 0.150 S 1.02 2.29 0.040 0.090 α 0° 15° 0° 15° N2 8 2 8 PDIP28 Drawing is not to scale M27C512
PLCC32 - 32 lead Plastic Leaded Chip Carrier, rectangular PLCC D Ne E1 E Nd CP B D2/E2 e A Symb mm inches Typ Min Max Typ Min Max A 2.54 3.56 0.100 0.140 A1 1.52 2.41 0.060 0.095 B 0.33 0.53 0.013 0.021 B1 0.66 0.81 0.026 0.032 D 12.32 12.57 0.485 0.495 D1 11.35 11.56 0.447 0.455 D2 9.91 10.92 0.390 0.430 E 14.86 15.11 0.585 0.595 E1 13.89 14.10 0.547 0.555 E2 12.45 13.46 0.490 0.530 N3 2 3 2 Nd 7 7 Ne 9 9 CP 0.10 0.004 PLCC32 Drawing is not to scale M27C512
TSOP28 - 28 lead Plastic Thin Small Outline, 8 x 13.4mm TSOP-c E CP B e A D DIE C LA1 α Symb mm inches Typ Min Max Typ Min Max A 1.25 0.049 A1 0.20 0.008 A2 0.95 1.15 0.037 0.045 B 0.17 0.27 0.007 0.011 C 0.10 0.21 0.004 0.008 D 13.20 13.60 0.520 0.535 D1 11.70 11.90 0.461 0.469 E 7.90 8.10 0.311 0.319 L 0.50 0.70 0.020 0.028 α 0° 5° 0° 5° N2 8 2 8 CP 0.10 0.004 TSOP28 Drawing is not to scale M27C512