NM27C256 Fairchild, NM27C256 Datasheet
NM27C256
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NM27C256 Summary of contents
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... CE/PGM Address Inputs © 1998 Fairchild Semiconductor Corporation The NM27C256 is one member of a high density EPROM Family which range in densities Mb. Features High performance CMOS — access time JEDEC standard pin configuration — 28-pin PDIP package — ...
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... GND GND GND GND GND Note: Compatible EPROM pin configurations are shown in the blocks adjacent to the NM27C256 pins. Commercial Temp. Range ( + 10% CC Parameter/Order Number Access Time (ns) NM27C256 NM27C256 100 NM27C256 120 ...
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... Temperature +70 C +5V 10% - +85 C +5V 10 Min Max Units -0.5 0 0.4 V 3.5 V 100 0 - 150 200 Units 120 150 200 ns 120 150 200 www.fairchildsemi.com ...
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... Note 11: CMOS inputs GND 0.3V 0.3V Programming Characteristics Symbol Parameter 5 ns 0.45 to 2.4V 0.8V and 2.0V 0.8V and 2.0V ADDRESSES VALID (Note 3) Hi-Z VALID OUTPUT t ACC (Note 3) . ACC (Note 12) (Note 13) (Note 14) (Note 15) Conditions Min (Notes (Notes DS010833-4 Typ Max Units www.fairchildsemi.com ...
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... CC V 12.75V PP 2.0V CE 0.8V 2.0V OE 0.8V Note 12: Fairchild’s standard product warranty applies to devices programmed to specifications described herein. Note 13: V must be applied simultaneously or before V CC voltage applied Note 14: The maximum absolute allowable voltage which may be applied to the V prevent any overshoot from exceeding this 14V maximum specification. At least a 0.1 F capacitor is required across V which may damage the device ...
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... PROGRAM ONE 50 s PULSE INCREMENT n NO VERIFY FAIL BYTE PASS INCREMENT LAST NO ADDRESS ADDRESS ? YES ADDRESS = FIRST LOCATION VERIFY FAIL BYTE PROGRAM ONE PASS LAST NO ADDRESS ? YES CHECK ALL BYTES 1ST 6. 2ND 4. FIGURE PULSE DS010833-6 www.fairchildsemi.com ...
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... The Manufacturer’s Identification code, shown in Table 2, specifi- cally identifies the manufacturer and device type. The code for NM27C256 is “8F04”, where “8F” designates that it is made by Fairchild Semiconductor, and “04” designates a 256K part. The code is accessed by applying 12V 0.5V to address pin A9. ...
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... Lamps lose intensity as they age. When a lamp is changed, the distance has changed, or the lamp has aged, the system should Mode Selection The modes of operation of NM27C256 listed in Table 1. A single 5V power supply is required in the read mode. All inputs are TTL levels except for V and A9 for device signature. ...
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... Pin # IDENT 1.393 - 1.420 (35.38 - 36.07) 0.053 - 0.069 (1.346 - 1.753) 0.108 0.010 0.050 0.015 (2.540 0.254) (1.270 0.381) Order Number NM27C256NXXX Package Number N28B 9 0.590-0.620 Glass [14.99 - 15.75] Sealant 95 5 0.010 0.002 TYP TYP [0.25 0.05] +0.025 0.685 -0.060 +0 ...
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... X 0.025 [1.07-1.22] 0.021-0.027 [0.64] [0.53-0.69] Min B 0.065-0.071 [1.65-1.80] 0.053-0.059 [1.65-1.80] 0.031-0.037 0.006-0.012 [0.79-0.94] [0.15-0.30] 0.027-0.033 [0.69-0.84] 0.019-0.025 [0.48-0.64] Section B-B S Typical Order Number NM27C256VXXX Package Number VA32A 10 Base Plane Min Typ 0.490-0530 ) [12.45-13.46 D-E, F-G S 0.015[0.38] TYP 0.007[0.18 D-E, F-G S 0.005 Max [0.13] 0.020 0.0100 [0 ...
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... Français Italiano Fairchild does not assume any responsibility for use of any circuitry described, no circuit patent licenses are implied and Fairchild reserves the right at any time without notice to change said circuitry and specifications critical component is any component of a life support device ...