AMD Advanced Micro Devices AM27C2048-200JC, AM27C2048-200DIB, AM27C2048-200DI, AM27C2048-200DEB, AM27C2048-200DE Datasheet
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FINAL
Publication# 11407 Rev: G Amendment/0
Issue Date: May 1998
Am27C2048
2 Megabit (128 K x 16-Bit) CMOS EPROM
DISTINCTIVE CHARACTERISTICS
■ Fast access time
— Speed options as fast as 55 ns
■ Low power consumption
— 100 µA maximum CMOS standby current
■ JEDEC-approved pinout
— Plug-in upgrade of 1 Mbit EPROM
— 40-pin DIP/PDIP
— 44-pin PLCC
■ Single +5 V power supply
■ ±10% power supply tolerance standard
■ 100% Flashrite programming
— Typical programming time of 16 seconds
■ Latch-up protected to 100 mA from –1 V to
V
CC
+ 1 V
■ Versatile features for simple interfacing
— Both CMOS and TTL input/output compatibility
— Two line control functions
■ High noise immunity
GENERAL DESCRIPTION
The Am27C2048 is a 2 Mbit, ultraviolet erasable programmable read-only memory. It is organiz ed as 128 K
words, operates from a single +5 V supply, has a static
standby mode, and features fast single address location programming. The Am27C2048 is ideal for use in
16-bit microprocessor systems. The device is avai labl e
in windowed ceramic DIP packages, and plastic one
time programmable (OTP) PDIP and PLCC packages.
Data can be typically accessed in less than 55 ns, allowing high-p erformance m icroproces sors to ope rate
without any WAIT states. The device offers separate
Output Enable (OE#) and Chip Enable (CE#) controls,
thus eliminating bus contention in a mul tiple bus microprocessor system.
AMD’s CMOS process technology provides high
speed, low power, and high noise immunity. Typical
power consumption is only 125 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 device supports AMD’s
Flashrite programming alg orithm (100 µs pulses), resulting in a typical programming time of 16 seconds.
BLOCK DIAGRAM
11407G-1
A0–A16
Address
Inputs
PGM#
CE#
OE#
V
CC
V
SS
V
PP
Data Outputs
DQ0–DQ15
Output
Buffers
Y
Gating
2,097,152
Bit Cell
Matrix
X
Decoder
Y
Decoder
Output Enable
Chip Enable
and
Prog Logic
2 Am27C2048
PRODUCT SELECTOR GUIDE
CONNECTION DIAGRAMS
Top View
DIP PLCC
Notes:
1. JEDEC nomenclature is in parenthesis.
2. Don’t use (DU) for PLCC.
PIN DESIGNATIONS
A0–A16 = Address Inputs
CE# (E#) = Chip Enable Input
DQ0–DQ15 = Data Input/Outputs
OE# (G#) = Output Enable Input
PGM# (P#) = Program Enable Input
V
CC
=VCC Supply Voltage
V
PP
= Program Voltage Input
V
SS
= Ground
LOGIC SYMBOL
Family Part Number Am27C2048
Speed Options
V
CC
= 5.0 V ± 5% -55 -255
V
CC
= 5.0 V ± 10% -55 -70 -90 -120 -150 -200
Max Access Time (ns) 55 70 90 120 150 200 250
CE# (E#) Access (ns) 55 70 90 120 150 200 250
OE# (G#) Access (ns) 40 40 40 50 65 75 75
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
V
CC
PGM# (P#)
A16
A15
A14
A13
A12
A11
A10
A9
V
SS
A8
A7
A6
A5
A4
A3
A2
A1
A0
V
PP
CE# (E#)
DQ15
DQ14
DQ13
DQ12
DQ11
DQ10
DQ9
DQ8
V
SS
DQ7
DQ6
DQ5
DQ4
DQ3
DQ2
DQ1
DQ0
OE# (G#)
11407G-2
1 444342543264140
7
8
9
10
11
12
13
14
15
16
17
A13
A12
A11
A10
A9
V
SS
NC
A8
A7
A6
A5
DQ13
DQ14
DQ15
CE (E)
VPPDU (Note 2)
VCCPGM# (P#)
A16
A15
A14
39
38
37
36
35
34
33
32
31
30
29
DQ12
DQ11
DQ10
DQ9
DQ8
V
SS
NC
DQ7
DQ6
DQ5
DQ4
DQ3
DQ2
DQ1
DQ0
OE# (G#)
DU (Note 2)
A0A1A2A3A4
23 24 25 2619 20 21 2218 27 28
11407G-3
17
16
DQ0–DQ15
A0–A16
CE# (E#)
PMG (P#)
OE# (G#)
11407G-4
Am27C2048 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 the following:
Valid Combinations
Valid Combinations list configurations planned to be supported 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.
DEVICE NUMBER/DESCRIPTION
Am27C2048
2 Megabit (128 K x 16-Bit) CMOS UV EPROM
AM27C2048 -55 D C
OPTIONAL PROCESSING
Blank = Standard Processing
B = Burn-In
VOLTAGE TOLERANCE
5=V
CC
± 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 = 40-Pin Ceramic DIP (CDV040)
SPEED OPTION
See Product Selector Guide and
Valid Combinations
B
5
Valid Combinations
AM27C2048-55
V
CC
= 5.0 V ± 5%
DC5, DC5B, DI5, DI5B
AM27C2048-55
V
CC
= 5.0 V ± 10%
DC, DCB, DI, DIB
AM27C2048-70
AM27C2048-90
AM27C2048-120
DC, DCB, DE, DEB, DI, DIBAM27C2048-150
AM27C2048-200
AM27C2048-255
V
CC
= 5.0 V ± 5%
DC, DCB, DI, DIB
4 Am27C2048
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 the following:
Valid Combinations
Valid Combinations list configurations planned to be supported 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.
DEVICE NUMBER/DES CR IP TIO N
Am27C2048
2 Megabit (128 K x 16-Bit) CMOS OTP EPROM
AM27C2048 -55 J C
OPTIONAL PROCESSING
Blank = Standard Processing
VOLTAGE TOLERANCE
5=V
CC
± 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 = 40-Pin Plastic DIP (PD 040)
J = 44-Pin Square Plastic Leaded Chip Carrier (PL 044)
SPEED OPTION
See Product Selector Guide and
Valid Combinations
5
Valid Combinations
AM27C2048-55
V
CC
= 5.0 V ± 5%
PC5, PI5, JC5, JI5
AM27C2048-55
V
CC
= 5.0 V ± 10%
PC, PI, JC, JI
AM27C2048-70
AM27C2048-90
AM27C2048-120
AM27C2048-150
AM27C2048-200
AM27C2048-255
V
CC
= 5.0 V ± 5%
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