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Part: AM27C020-150DC
Category:
Description: Ic-2mb CMOS EPROM
Company:
Datasheet: Download AM27C020-150DC datasheet File size : 679 kB
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FINAL
Am27C020
2 Megabit (262,144 x 8-Bit) CMOS EPROM
DISTINCTIVE CHARACTERISTICS
s Fast access time -- 55 ns maximum access time s Low power consumption -- 100 µA typical CMOS standby current s JEDEC-approved pinout -- Plug in upgrade of 1 Mbit EPROM -- Easy upgrade from 28-pin JEDEC EPROMs s Single +5 V power supply s ±10% power supply tolerance available s 100% Flashrite programming -- Typical programming time of 32 seconds s Latch-up protected to 100 mA from 1 V to VCC + 1 V s High noise immunity s Versatile features for simple interfacing -- Both CMOS and TTL input/output compatibility -- Two line control functions s Compact 32-pin DIP, PDIP, TSOP, and PLCC packages
GENERAL DESCRIPTION
The Am27C020 is a 2 Mbit, ultraviolet erasable programmable read-only memory. It is organized as 256K words by 8 bits per word, operates from a single +5 V supply, has a static standby mode, and features fast single address location programming. Products are available in windowed ceramic DIP packages, as well as plastic one-time programmable (OTP) including TSOP, PLCC, and PDIP. Typically, any byte can be accessed in less than 70 ns, allowing operation with high-performance microprocessors without any WAIT states. The Am27C020 offers separate Output Enable (OE) and Chip Enable (CE) controls, thus eliminating bus contention in a multiple bus microprocessor system. AMD's CMOS process technology provides high speed, low power, and high noise immunity. Typical power consumption is only 100 mW in active mode, and 100 µW in standby mode. All signals are TTL levels, including programming signals. Bit locations may be programmed singly, in blocks, or at random. The Am27C020 supports AMD's Flashrite programming algorithm (100 µs pulses) resulting in typical programming times of 32 seconds.
BLOCK DIAGRAM
VPP VCC VSS OE CE PGM Output Enable Chip Enable and Prog Logic Y Decoder A0A17 Address Inputs Data Outputs DQ0DQ7
Output Buffers
Y Gating
X Decoder
2,097,152-Bit Cell Matrix
11507H-1
Publication# 11507 Rev: H Amendment/0 Issue Date: August 1997
PRODUCT SELECTOR GUIDE
Family Part No. Ordering Part No: VCC = 5.0 V ± 5% VCC = 5.0 V ±10% Max Access Time (ns) CE (E) Access (ns) OE (G) Access (ns) -55 -55 55 55 35 -75 -70 70 70 40 -90 90 90 40 -120 120 120 50 -150 150 150 65 -200 200 200 75 250 250 75 Am27C020 -255
CONNECTION DIAGRAMS Top View
DIP
VPP A16 A15 A12 A7 A6 A5 A4 A3 A2 A1 A0 DQ0 DQ1 DQ2 VSS 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 VCC PGM (P) A17 A14 A13 A8 A9 A11 OE (G) A10 CE (E) DQ7 DQ6 DQ5 DQ4 DQ3
11507H-2
PLCC
PGM (P) A17
43 A7 A6 A5 A4 A3 A2 A1 A0 DQ0 5 6 7 8 9 10 11 12 13
2
VPP VCC
A12 A15
A16
1 32 31 30 29 28 27 26 25 24 23 22 21 A14 A13 A8 A9 A11 OE (G) A10 CE (E) DQ7
14 15 16 17 18 19 20 DQ4 DQ5 DQ6 DQ1 DQ2 VSS DQ3
11507H-3
Notes: 1. JEDEC nomenclature is in parenthesis. 2. The 32-pin DIP to 32-pin PLCC configuration varies from the JEDEC 28-pin DIP to 32-pin PLCC configuration.
2
Am27C020
TSOP
A11 A9 A8 A13 A14 A17 PGM VCC VPP A16 A15 A12 A7 A6 A5 A4 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 OE A10 CE DQ7 DQ6 DQ5 DQ4 DQ3 VSS DQ2 DQ1 DQ0 A0 A1 A2 A3
11507H-4
Standard Pinout
PIN DESIGNATIONS
A0A17 CE (E) DQ0DQ7 OE (G) PGM (P) VCC VPP VSS = = = = = = = = Address Inputs Chip Enable Input Data Input/Outputs Output Enable Input Program Enable Input VCC Supply Voltage Program Voltage Input Ground
18
LOGIC SYMBOL
A0A17 8
DQ0DQ7 CE (E) PGM (P) OE (G)
11507H-5
Am27C020
3
ORDERING INFORMATION UV EPROM Products
AMD standard products are available in several packages and operating ranges. The order number (Valid Combination) is formed by a combination of:
AM27C020
-55
D
C
5
B OPTIONAL PROCESSING Blank = Standard Processing B = Burn-In VOLTAGE TOLERANCE 5 = VCC ± 5%, 55 ns only See Product Selector Guide and Valid Combinations TEMPERATURE RANGE C = Commercial (0°C to +70°C) I = Industrial (40°C to +85°C) E = Extended (55°C to +125°C) PACKAGE TYPE D = 32-Pin Ceramic DIP (CDV032) SPEED OPTION See Product Selector Guide and Valid Combinations
DEVICE NUMBER/DESCRIPTION Am27C020 2 Megabit (262,144 x 8-Bit) CMOS UV EPROM
Valid Combinations AM27C020-55 VCC = 5.0 V ± 5% AM27C020-55 VCC = 5.0 V ± 10% AM27C020-70 AM27C020-90 AM27C020-120 AM27C020-150 AM27C020-200 AM27C020-255 VCC = 5.0 V ± 5% DC, DCB, DI, DIB DC, DCB, DE, DEB, DI, DIB DC, DCB, DI, DIB DC5, DC5B, DI5, DI5B
Valid Combinations Valid Combinations list configurations planned to be suppor ted in volume for this device. Consult the local AMD sales office to confirm availability of specific valid combinations and to check on newly released combinations.
4
Am27C020
ORDERING INFORMATION OTP EPROM Products
AMD standard products are available in several packages and operating ranges. The order number (Valid Combination) is formed by a combination of:
AM27C020
-55
J
C
5 OPTIONAL PROCESSING Blank = Standard Processing VOLTAGE TOLERANCE 5 = VCC ± 5%, -55 ns only See Product Selector Guide and Valid Combinations TEMPERATURE RANGE C = Commercial (0°C to +70°C) I = Industrial (40°C to +85°C) PACKAGE TYPE P = 32-Pin Plastic DIP (PD 032) J = 32-Pin Rectangular Plastic Leaded Chip Carrier (PL 032) E = 32-Pin Thin Small Outline Package (TSOP) Standard Pinout (TS 032) SPEED OPTION See Product Selector Guide and Valid Combinations
DEVICE NUMBER/DESCRIPTION Am27C020 2 Megabit (262,144 x 8-Bit) CMOS OTP EPROM
Valid Combinations AM27C020-55 VCC = 5.0 V ± 5% AM27C020-55 VCC = 5.0 V ± 10% AM27C020-75 AM27C020-70 AM27C020-90 PC, PI, JC, JI, EC, EI AM27C020-120 AM27C020-150 AM27C020-200 AM27C020-255 VCC = 5.0 V ± 5% PC5, PI5, JC5, JI5, EC5, EI5
Valid Combinations Valid Combinations list configurations planned to be suppor ted in volume for this device. Consult the local AMD sales office to confirm availability of specific valid combinations and to check on newly released combinations.
Am27C020
5
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