AT27C1024-55PC Datasheet PDF - ATMEL Corporation
| Part Number | AT27C1024-55PC | |
| Description | 1-Megabit 64K x 16 OTP EPROM | |
| Manufacturers | ATMEL Corporation | |
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AT27C1024
Features
• Fast Read Access Time - 45 ns
• Low Power CMOS Operation
– 100 µA max. Standby
– 30 mA max. Active at 5 MHz
• JEDEC Standard Packages
– 40-Lead 600-mil PDIP
– 44-Lead PLCC
– 40-Lead TSOP (10 mm x 14 mm)
• Direct Upgrade from 512K (AT27C516) EPROM
• 5V ± 10% Power Supply
• High Reliability CMOS Technology
– 2000V ESD Protection
– 200 mA Latchup Immunity
• Rapid™ Programming Algorithm - 100 µs/word (typical)
• CMOS and TTL Compatible Inputs and Outputs
• Integrated Product Identification Code
• Commercial and Industrial Temperature Ranges
Description
The AT27C1024 is a low-power, high-performance 1,048,576 bit one-time program-
mable read only memory (OTP EPROM) organized 64K by 16 bits. It requires only
one 5V power supply in normal read mode operation. Any word can be accessed in
less than 45 ns, eliminating the need for speed reducing WAIT states. The by-16
organization make this part ideal for high-performance 16- and 32-bit microprocessor
systems.
(continued)
AT27C1024
1-Megabit
(64K x 16)
OTP EPROM
AT27C1024
Pin Configurations
Pin Name Function
A0 - A15 Addresses
O0 - O15 Outputs
CE Chip Enable
OE Output Enable
PGM
Program Strobe
NC
Note:
No Connect
Both GND pins must be
connected.
PDIP Top View
PLCC Top View
TSOP Top View
Type 1
0019I-A–7/97
1
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AC Waveforms for Read Operation(1)
Notes: 1. Timing measurement reference level is 1.5V for -45 and -55 devices. Input AC drive levels are VIL = 0.0V and VIH = 3.0V.
Timing measurement reference levels for all other speed grades are VOL = 0.8V and VOH = 2.0V. Input AC drive levels are
VIL = 0.45V and VIH = 2.4V.
2. OE may be delayed up to tCE - tOE after the falling edge of CE without impact on tCE.
3. OE may be delayed up to tACC - tOE after the address is valid without impact on tACC.
4. This parameter is only sampled and is not 100% tested.
5. Output float is defined as the point when data is no longer driven.
Pin Capacitance
(f = 1 MHz T = 25°C)(1)
Typ Max
Units
Conditions
CIN
4 10
pF VIN = 0V
COUT
8 12
pF VOUT = 0V
Note: 1. Typical values for nominal supply voltage. This parameter is only sampled and is not 100% tested.
Input Test Waveforms and Measurement Levels
Output Test Load
For -45 and -55
Devices Only
For -70 and slower
Devices Only
Note:
CL = 100 pF including jig
capacitance except -45 and -55
devices, where CL = 30 pF.
5 AT27C1024
Preview 5 Page |
Part DetailsOn this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for AT27C1024-55PC electronic component. |
| Information | Total 9 Pages | |
| Link URL | [ Copy URL to Clipboard ] | |
| Product Image and Detail view |  1. 1Mb, Programmable Read-only Memory [ Learn More ] | |
| Download | [ AT27C1024-55PC.PDF Datasheet ] | |
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Featured Datasheets
| Part Number | Description | MFRS |
| AT27C1024-55PC | The function is 1-Megabit 64K x 16 OTP EPROM. ATMEL Corporation | |
| AT27C1024-55PI | The function is 1-Megabit 64K x 16 OTP EPROM. ATMEL Corporation | |
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