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AT28C16 PDF 데이터시트 : 부품 기능 및 핀배열

부품번호 AT28C16
기능 16K 2K x 8 CMOS E2PROM
제조업체 ATMEL Corporation
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AT28C16 데이터시트, 핀배열, 회로
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
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 AT28C16 is a low-power, high-performance Electrically Erasable and Program-
mable Read Only Memory with easy to use features. The AT28C16 is a 16K memory
organized as 2,048 words by 8 bits. The device is manufactured with Atmel’s reliable
nonvolatile CMOS technology.
(continued)
Pin Configurations
Pin Name
A0 - A10
CE
OE
WE
I/O0 - I/O7
NC
DC
Function
Addresses
Chip Enable
Output Enable
Write Enable
Data Inputs/Outputs
No Connect
Don’t Connect
PLCC
Top View
A6 5
A5 6
A4 7
A3 8
A2 9
A1 10
A0 11
NC 12
I/O0 13
29 A8
28 A9
27 NC
26 NC
25 OE
24 A10
23 CE
22 I/O7
21 I/O6
PDIP, SOIC
Top View
A7
A6
A5
A4
A3
A2
A1
A0
I/O0
I/O1
I/O2
GND
1
2
3
4
5
6
7
8
9
10
11
12
24 VCC
23 A8
22 A9
21 WE
20 OE
19 A10
18 CE
17 I/O7
16 I/O6
15 I/O5
14 I/O4
13 I/O3
16K (2K x 8)
Parallel
EEPROMs
AT28C16
Note: PLCC package pins 1 and 17
are DON’T CONNECT.
Rev. 0540B–10/98
1




AT28C16 pdf, 반도체, 판매, 대치품
DC and AC Operating Range
Operating
Temperature (Case)
VCC Power Supply
Com.
Ind.
AT28C16-15
0°C - 70°C
-40°C - 85°C
5V ± 10%
Operating Modes
Mode
Read
Write(2)
Standby/Write Inhibit
Write Inhibit
Write Inhibit
Output Disable
Chip Erase
Notes: 1. X can be VIL or VIH.
2. Refer to AC Programming Waveforms.
3. VH = 12.0V ± 0.5V
CE
VIL
VIL
VIH
X
X
X
VIL
OE
VIL
VIH
X(1)
X
VIL
VIH
VH(3)
DC Characteristics
Symbol
ILI
ILO
ISB1
ISB2
ICC
VIL
VIH
VOL
VOH
Parameter
Input Load Current
Output Leakage Current
VCC Standby Current CMOS
VCC Standby Current TTL
VCC Active Current AC
Input Low Voltage
Input High Voltage
Output Low Voltage
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
Com.
Ind.
f = 5 MHz; IOUT = 0 mA
CE = VIL
Com.
Ind.
IOL = 2.1 mA
IOH = -400 µA
WE I/O
VIH DOUT
VIL DIN
X High Z
VIH
X
X High Z
VIL High Z
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
4 AT28C16

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AT28C16 전자부품, 판매, 대치품
Data Polling Characteristics(1)
Symbol Parameter
tDH
tOEH
tOE
tWR
Notes:
Data Hold Time
OE Hold Time
OE to Output Delay(2)
Write Recovery Time
1. These parameters are characterized and not 100% tested.
2. See AC Characteristics.
Data Polling Waveforms
AT28C16
Min Typ Max Units
10 ns
10 ns
ns
0 ns
Chip Erase Waveforms
tS = tH = 1 µsec (min.)
tW = 10 msec (min.)
VH = 12.0V ± 0.5V
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