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PDF AT27C516-55 Data sheet ( Hoja de datos )
| Número de pieza | AT27C516-55 | |
| Descripción | 512K 32K x 16 OTP CMOS EPROM | |
| Fabricantes | ATMEL Corporation | |
| Logotipo |  |
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AT27C516
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
44-Lead PLCC
40-Lead TSOP (10mm x 14mm)
• 5V ± 10% Power Supply
• High Reliability CMOS Technology
2000V ESD Protection
200 mA Latchup Immunity
• Rapid™ Programming Algorithm - 50 µs/word (typical)
CMOS and TTL Compatible Inputs and Outputs
• Integrated Product Identification Code
•• Commercial and Industrial Temperature Ranges
Description
The AT27C516 is a low-power, high performance 524,288 bit one-time programma-
ble read only memory (OTP EPROM) organized 32K 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 organi-
zation make this part ideal for high-performance 16 and 32 bit microprocessor sys-
tems.
(continued)
512K (32K x 16)
OTP CMOS
EPROM
Pin Configurations
Pin Name
A0 - A14
O0 - O15
CE
OE
PGM
NC
Function
Addresses
Outputs
Chip Enable
Output Enable
Program Strobe
No Connect
Note: Both GND pins must
be connected.
PLCC Top View
TSOP Top View
Type 1
AT27C516
Note: PLCC Package Pins 1
and 23 are DON’T CONNECT.
0362C
3-145
1 page  
AC Waveforms for Read Operation (1)
AT27C516
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.
Input Test Waveforms and Measurement Levels
Output Test Load
For -45, -55, and -70
Devices Only:
tR, tF < 5 ns (10% to 90%)
For -85 and -10
Devices Only:
tR, tF < 20 ns (10% to 90%)
Note: CL = 100 pF including jig
capacitance except -45, -55 and -70
devices, where CL = 30 pF.
Pin Capacitance
(f = 1 MHz
(1)
T = 25°C)
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.
3-149
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet AT27C516-55.PDF ] | |
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