AM27C256-120EC AMD [Advanced Micro Devices], AM27C256-120EC Datasheet
AM27C256-120EC
Related parts for AM27C256-120EC
AM27C256-120EC Summary of contents
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... W in standby mode. All signals are TTL levels, including programming sig- nals. Bit locations may be programmed singly, in blocks random. The Am27C256 supports AMD’s Flashrite programming algorithm (100 s pulses) resulting in typi- cal programming time of 4 seconds. Data Outputs DQ0– ...
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... DQ0 Am27C256 AMD -255 -150 -200 150 200 250 150 200 250 PLCC A11 ( A10 ...
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... Data Inputs/Outputs OE (G) = Output Enable Input Supply Voltage Program Voltage Input Ground Don’t Use 2-34 TSOP* Standard Pinout LOGIC SYMBOL 15 A0–A14 CE (E) OE (G) Am27C256 NC 32 A10 DQ7 28 DQ6 27 DQ5 26 DQ4 25 DQ3 24 VSS 23 DQ2 22 DQ1 21 ...
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... DEVICE NUMBER Am27C256 256 Kilobit (32,768 x 8-Bit) CMOS UV EPROM Valid Combinations AM27C256-55 DC, DCB, DI, DIB AM27C256-70 AM27C256-90 DC, DCB, DI, AM27C256-120 DIB, DE, DEB AM27C256-150 AM27C256-200 AM27C256-255 DC, DCB, DI, DIB OPTIONAL PROCESSING Blank = Standard Processing B = Burn-in TEMPERATURE RANGE C = Commercial ( + Industrial (– + Extended Commercial (– ...
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... DEVICE NUMBER Am27C256 256 Kilobit (32,768 x 8-Bit) CMOS OTP EPROM Valid Combinations AM27C256-55 JC, PC, EC AM27C256-70 AM27C256-90 JC, PC, EC, AM27C256-120 JI, PI, EI AM27C256-150 AM27C256-200 AM27C256-255 2- OPTIONAL PROCESSING Blank = Standard Processing TEMPERATURE RANGE C = Commercial ( + Industrial (– PACKAGE TYPE ...
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... Please refer to Section 6 for programming flow chart and characteristics. Program Inhibit Programming of multiple Am27C256 in parallel with dif- ferent data is also easily accomplished. Except for CE, all like inputs of the parallel Am27C256 may be com- mon. A TTL low-level program pulse applied to an Am27C256 CE input with V = 12. High will program that Am27C256 ...
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... voltage during programming. PP Am27C256 for each eight devices. The loca VPP Outputs OUT X X High High High-Z X VPP VPP D OUT X VPP High-Z ...
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... C to +150 C Industrial (I) Devices Ambient Temperature (T – +125 C Extended Commercial (E) Devices Ambient Temperature (T Supply Read Voltages + 0 for Am27C256-XX5 CC –0 +13 for Am27C256-XX0 CC –0 +7.0 V Operating ranges define those limits between which the func- tionality of the device is guaranteed. Am27C256 ...
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... PP1 PP Notes must be applied simultaneously or before Caution: The Am27C256 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 Am27C256 must not be removed from (or inserted into) a socket or board when V 4. For the -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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... 100 pF including jig capacitance (30 pF for -55, -70 2 Output AC Testing: Inputs are driven at 3.0 V for a logic “1” 20 ns. Am27C256 2.7 k +5.0 V Diodes = IN3064 or Equivalent 08007H-8 1.5 V Test Points 1.5 V Input Output 08007H-9 and 0 V for a logic “0”. Input pulse rise and fall times are 20 ns for -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 on t Am27C256 AMD OUTPUTS Will Be Steady Will Be Changing from Will Be Changing from Changing State Unknown Center Line is High Impedence “ ...