DS28EC20+ Maxim Integrated Products, DS28EC20+ Datasheet - Page 4

• Manufacturer Part Number: DS28EC20+
• Description: IC EEPROM 20KBIT TO92-3
• Manufacturer: Maxim Integrated Products

Specifications of DS28EC20+

• Format - Memory: EEPROMs - Serial
• Memory Type: EEPROM
• Memory Size: 20K (256 x 80)
• Interface: 1-Wire Serial
• Operating Temperature: -40°C ~ 85°C
• Package / Case: TO-92-3 (Standard Body), TO-226
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Voltage - Supply: -
• Speed: -

3.3V SUPPLY ELECTRICAL CHARACTERISTICS
(T
I/O PIN GENERAL DATA
1-Wire Pullup Resistance
Input Capacitance
Input Load Current
High-to-Low Switching
Threshold
Input Low Voltage
Low-to-High Switching
Threshold
Switching Hysteresis
Output Low Voltage
Recovery Time
Rising-Edge Hold-off Time
Timeslot Duration
I/O PIN, 1-Wire RESET, PRESENCE DETECT CYCLE
Reset-Low Time
Presence-Detect High
Time
Presence-Detect Low
Time
Presence-Detect Sample
Time
I/O PIN, 1-Wire WRITE
Write-0 Low Time
Write-1 Low Time
I/O PIN, 1-Wire READ
Read-Low Time
Read-Sample Time
EEPROM
Programming Current
Programming Time
Write/Erase Cycles (Endu-
rance) (Notes 19, 20)
Data Retention
A
= 0°C to +70°C, V
PARAMETER
PUP
= 3.3V ± 5%)
SYMBOL
I
t
R
t
t
t
t
t
t
t
t
t
PROG
PROG
V
V
V
t
N
C
V
SLOT
RSTL
V
MSP
MSR
t
REC
REH
PDH
W0L
W1L
t
PDL
PUP
DR
I
RL
TH
HY
OL
CY
L
TL
IO
IL
(Notes 1, 2)
(Notes 3, 4)
I/O pin at V
(Notes 4, 5, 6)
(Notes 1, 7)
(Notes 4, 5, 8)
(Notes 4, 5, 9)
At 4mA (Note 10)
Standard speed (Notes 1, 11)
Standard speed (Notes 4, 12)
Standard speed (Notes 1, 13)
Standard speed (Note 1)
Standard speed
Standard speed
Standard speed (Notes 1, 14)
Standard speed (Notes 1, 15)
Standard speed (Notes 1, 15)
Standard speed (Notes 1, 16)
Standard speed (Notes 1, 16)
(Note 17)
(Note 18)
At +25°C
At +70°C
(Notes 21, 22, 23)
PUP
CONDITIONS
4 of 27
t
RL
200k
0.05
0.49
1.09
0.33
MIN
480
50k
0.3
0.5
65
15
60
60
60
40
5
1
5
+ δ
TYP
6.7
V
V
15 - δ
MAX
1000
0.70
0.30
640
240
120
2.2
1.9
1.1
0.8
PUP
0.5
PUP
5.0
10
60
75
15
15
10
-
-
UNITS
years
mA
ms
kΩ
µA
pF
µs
µs
µs
µs
µs
µs
µs
µs
µs
µs
µs
⎯
V
V
V
V
V