|
STMicroelectronics |
M93C86-x M93C76-x M93C66-x
M93C56-x M93C46-x
16-Kbit, 8-Kbit, 4-Kbit, 2-Kbit and 1-Kbit
(8-bit or 16-bit wide) MICROWIRE™ serial access EEPROM
Datasheet - production data
PDIP8 (BN)
SO8 (MN)
TSSOP8 (DW)
169 mil width
Features
• Industry standard MICROWIRE™ bus
• Single supply voltage:
– 2.5 V to 5.5 V for M93Cx6-W
– 1.8 V to 5.5 V for M93Cx6-R
• Dual organization: by word (x16) or byte (x8)
• Programming instructions that work on: byte,
word or entire memory
• Self-timed programming cycle with auto-erase:
5 ms
• READY/BUSY signal during programming
• 2 MHz clock rate
• Sequential read operation
• Enhanced ESD/latch-up behavior
• More than 4 million write cycles
• More than 200-year data retention
• Packages
– SO8, TSSOP8, UFDFPN8 packages:
ECOPACK2®)
– PDIP8 package:
ECOPACK1®
UFDFPN8 (MC)
2 x 3 mm
Table 1. Device summary
Reference
Part Memory
number
size
Supply
voltage
M93C46-x
M93C56-x
M93C66-x
M93C76-x
M93C86-x
M93C46-W
M93C46-R
M93C56-W
M93C56-R
M93C66-W
M93C66-R
M93C76-W
M93C76-R
M93C86-W
M93C86-R
1 Kbit
2 Kbit
4 Kbit
8 Kbit
16 Kbit
2.5 V to 5.5 V
1.8 V to 5.5 V
2.5 V to 5.5 V
1.8 V to 5.5 V
2.5 V to 5.5 V
1.8 V to 5.5 V
2.5 V to 5.5 V
1.8 V to 5.5 V
2.5 V to 5.5 V
1.8 V to 5.5 V
December 2015
This is information on a product in full production.
DocID4997 Rev 17
1/35
www.st.com
Contents
Contents
M93C86-x M93C76-x M93C66-x M93C56-x M93C46-x
1 Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
2 Connecting to the serial bus . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
3 Operating features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
3.1 Supply voltage (VCC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
3.1.1 Operating supply voltage (VCC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
3.1.2 Power-up conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
3.1.3 Power-up and device reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
3.1.4 Power-down . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
4 Memory organization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
5 Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
5.1 Read Data from Memory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
5.2 Erase and Write data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
5.2.1 Write Enable and Write Disable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
5.2.2 Write . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
5.2.3 Write All . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
5.2.4 Erase Byte or Word . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
5.2.5 Erase All . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
6 READY/BUSY status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
7 Initial delivery state . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
8 Clock pulse counter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
9 Maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
10 DC and AC parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
11 Package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
11.1 PDIP8 package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
11.2 SO8N package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
2/35 DocID4997 Rev 17
|