DS1993L-F5+ Maxim Integrated Products, DS1993L-F5+ Datasheet - Page 3

• Manufacturer Part Number: DS1993L-F5+
• Description: IBUTTON MEMORY 4KBit F5
• Manufacturer: Maxim Integrated Products
• Series: iButton®r
• Type: Memory iButtonr

Specifications of DS1993L-F5+

• Rohs Information: IButton RoHS Compliance Plan
• Memory Size: 512B
• Memory Type: NVRAM
• Maximum Operating Temperature: + 70 C
• Package / Case: F5 MicroCan
• Minimum Operating Temperature: - 40 C
• Memory Configuration: 128K X 8
• Supply Voltage Range: 2.8V To 6V
• Memory Case Style: Micro Can
• Operating Temperature Range: -40°C To +70°C
• Filter Terminals: SMD
• Memory Voltage, Vcc: 2.8V
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Figure 1. DS199_ BLOCK DIAGRAM
1-WIRE
Figure 2. 64-BIT LASERED ROM
Figure 3. 1-Wire CRC CODE
X
PORT
0
STAGE
1
MSB
MSB
st
X
8-Bit CRC Code
1
1-W
STAGE
2
nd
X
2
STAGE
3
3V LITHIUM
rd
FUNCTION
CONTROL
MEMORY
LSB
X
3
STAGE
FUNCTION
CONTROL
4
ROM
MSB
th
Polynomial = X
48-Bit Serial Number
16 PAGES of 256-
4 PAGES of 256-
BITs (1993)
BITs (1992)
SRAM
X
8
4
LASERED
+ X
3 of 17
STAGE
64-BIT
ROM
5
5
th
+ X
4
+ 1
SCRATCHPAD
LSB
X
PARASITE-
POWERED
CIRCUITRY
256-BIT
5
STAGE
6
MSB
th
INPUT DATA
8-Bit Family Code
X
6
STAGE
(06h)1993
(08h)1992
7
th
X
7
STAGE
8
th
LSB
LSB
X
8