AM27C64-200 Advanced Micro Devices, AM27C64-200 Datasheet
AM27C64-200
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AM27C64-200 Summary of contents
Page 1
... W in standby mode. All signals are TTL levels, including programming sig- nals. Bit locations may be programmed singly, in blocks random. The Am27C64 supports AMD’s Flashrite programming algorithm (100 s pulses) resulting in a typical programming time of 1 second. Data Outputs ...
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... Ground Internal Connection External Connection (Don’t Use) Am27C64 -55 -70 -90 -120 120 120 DQ0 13 LOGIC SYMBOL 13 A0–A12 CE (E) PGM (P) OE (G) Am27C64 AMD -255 -150 -200 150 200 250 150 200 250 PLCC A11 ( A10 CE ( DQ7 21 DQ6 11419D-3 8 DQ0–DQ7 11419D-4 ...
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... DEVICE NUMBER Am27C64 64 Kilobit (8,192 x 8-Bit) CMOS UV EPROM Valid Combinations AM27C64-45 DC, DCB, DI, DIB AM27C64-55 AM27C64-70 AM27C64-90 DC, DCB, DI, AM27C64-120 DIB, DE, DEB AM27C64-150 AM27C64-200 DC, DCB, DI, DIB AM27C64-255 2- OPTIONAL PROCESSING Blank = Standard Processing B = Burn-in TEMPERATURE RANGE C = Commercial ( + Industrial (– + Extended Commercial (– +125 C) ...
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... DEVICE NUMBER Am27C64 64 Kilobit (8,192 x 8-Bit) CMOS OTP EPROM Valid Combinations AM27C64-55 AM27C64-70 AM27C64-90 JC, PC, AM27C64-120 JI, PI AM27C64-150 AM27C64-200 AM27C64-255 P C OPTIONAL PROCESSING Blank = Standard Processing TEMPERATURE RANGE C = Commercial ( + Industrial (– Extended Commercial (– +125 C) PACKAGE TYPE P = 28-Pin Plastic DIP (PD 028) ...
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... UV light source prior to erasure important to note that the Am27C64 and similar devices will erase with light sources having wavelengths shorter than 4000 A. Although erasure times will be ...
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... F bulk electrolytic capacitor should be used between V tion of the capacitor should be close to where the power supply is connected to the array PGM 0 voltage during programming. PP Am27C64 AMD to minimize transient effects. In addition, to and V for each eight devices. The loca VPP Outputs OUT High High High OUT High 01H ...
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... Ambient Temperature (T – +150 C Industrial (I) Devices Ambient Temperature (T – +125 C Extended Commercial (E) Devices Ambient Temperature ( Supply Read Voltages –0 +13 for Am27C64-XX5 CC –0 +7 for Am27C64-XX0 CC Operating ranges define those limits between which the func- tionality of the device is guaranteed. to –2.0 V for pe 2.0 V for CC to – ...
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... PP1 PP Notes must be applied simultaneously or before Caution: The Am27C64 must not be removed from (or inserted into) a socket when V is tested with simulate open outputs. CC1 IH 4. Minimum DC Input Voltage is –0.5 V. During transitions, the inputs may overshoot to –2.0 V for periods less than 20 ns. ...
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... Notes must be applied simultaneously or before This parameter is only sampled and not 100% tested. 3. Caution: The Am27C64 must not be removed from (or inserted into) a socket or board when V 4. For the -45, -55 and -70: Output Load: 1 TTL gate and Input Rise and Fall Times Input Pulse Levels Timing Measurement Reference Level: 1 ...
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... 2.0 V 1 Output AC Testing: Inputs are driven at 3.0 V for a logic “1” 20 ns. Am27C64 AMD 2.7 k +5.0 V Diodes = IN3064 or Equivalent 11419D-7 Test Points 1.5 V Input Output 11419D-8 and 0 V for a logic “0”. Input pulse rise and fall times are 20 ns for -45, -55 and -70 ...
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... Don’t Care, Any Change Permitted Does Not Apply 2.0 Addresses Valid 0 ACC (Note 1) after the falling edge of the addresses without impact Am27C64 OUTPUTS Will Be Steady Will Be Changing from Will Be Changing from Changing State Unknown Center Line is High Impedence “Off” State KS000010 2 ...