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AT28C17 PDF 데이터시트 : 부품 기능 및 핀배열

부품번호 AT28C17
기능 16K 2K x 8 CMOS E2PROM
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AT28C17 데이터시트, 핀배열, 회로
AT28C17
Features
Fast Read Access Time - 150 ns
•• Fast Byte Write - 200 µs or 1 ms
Self-Timed Byte Write Cycle
Internal Address and Data Latches
Internal Control Timer
Automatic Clear Before Write
Direct Microprocessor Control
DATA POLLING
READY/BUSY Open Drain Output
Low Power
30 mA Active Current
100 µa CMOS Standby Current
High Reliability
Endurance: 104 or 105 Cycles
Data Retention: 10 Years
5V ± 10% Supply
CMOS & TTL Compatible Inputs and Outputs
JEDEC Approved Byte Wide Pinout
•• Commercial and Industrial Temperature Ranges
Description
The AT28C17 is a low-power, high-performance Electrically Erasable and Program-
mable Read Only Memory with easy to use features. The AT28C17 is a 16K memory
organized as 2,048 words by 8 bits. The device is manufactured with Atmel’s reliable
nonvolatile CMOS technology.
Pin Configurations
(continued)
Pin Name
A0 - A10
CE
OE
WE
I/O0 - I/O7
RDY/BUSY
NC
DC
Function
Addresses
Chip Enable
Output Enable
Write Enable
Data Inputs/Outputs
Ready/Busy Output
No Connect
Don’t Connect
PDIP, SOIC
Top View
PLCC
Top View
16K (2K x 8)
CMOS
E2PROM
AT28C17
Note: PLCC package pins 1 and
17 are DON’T CONNECT.
0541A
2-183




AT28C17 pdf, 반도체, 판매, 대치품
DC and AC Operating Range
Operating
Temperature (Case)
VCC Power Supply
Com.
Ind.
AT28C17-15
0°C - 70°C
-40°C - 85°C
5V ± 10%
Operating Modes
Mode
CE
Read
Write (2)
VIL
VIL
Standby/Write Inhibit
VIH
Write Inhibit
X
Write Inhibit
X
Output Disable
X
Chip Erase
VIL
Notes: 1. X can be VIL or VIH.
2. Refer to AC Programming Waveforms.
OE WE
VIL VIH
VIH
X (1)
VIL
X
X VIH
VIL X
VIH
VH (3)
X
VIL
3. VH = 12.0V ± 0.5V.
I/O
DOUT
DIN
High Z
High Z
High Z
DC Characteristics
Symbol
ILI
ILO
ISB1
Parameter
Input Load Current
Output Leakage Current
VCC Standby Current CMOS
ISB2 VCC Standby Current TTL
ICC VCC Active Current AC
VIL Input Low Voltage
VIH Input High Voltage
VOL Output Low Voltage
VOH Output High Voltage
Condition
VIN = 0V to VCC + 1V
VI/O = 0V to VCC
CE = VCC - 0.3V to VCC + 1.0V
CE = 2.0V to VCC + 1.0V
f = 5 MHz; IOUT = 0 mA
CE = VIL
Com.
Ind.
Com.
Ind.
IOL = 2.1 mA
= 4.0 for RDY/BUSY
IOH = -400 µA
2-186 AT28C17
Min Max Units
10 µA
10 µA
100 µA
2 mA
3 mA
30 mA
45 mA
0.8 V
2.0 V
.4 V
2.4 V

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AT28C17 전자부품, 판매, 대치품
Data Polling Characteristics (1)
Symbol
Parameter
Min
tDH Data Hold Time
10
tOEH
tOE
OE Hold Time
OE to Output Delay (2)
10
tWR Write Recovery Time
0
Notes: 1. These parameters are characterized and not 100% tested.
2. See AC Read Characteristics.
AT28C17
Typ Max Units
ns
ns
ns
ns
Data Polling Waveforms
Chip Erase Waveforms
tS = tH = 1 µsec (min.)
tW = 10 msec (min.)
VH = 12.0V ± 0.5V
2-189

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