Document
APPLICATION NOTE AVA I L A B L E
X20C16 AN56
16K X20C16
High Speed AUTOSTORE™ NOVRAM
2K x 8 Bit
FEATURES
• Fast Access Time: 35ns, 45ns, 55ns • High Reliability
— Endurance: 1,000,000 Nonvolatile Store
Operations
— Retention: 100 Years Minimum
• AUTOSTORE™ NOVRAM
— Automatically Stores RAM Data Into the E2PROM Array When VCC Low Threshold is
Detected
—User Enabled Option
— Open Drain AUTOSTORE Status Output Pin
• Power-on Recall
— E2PROM Data Automatically Recalled Into
RAM Upon Power-up
• Software Data Protection
— Locks Out Inadvertent Store Operations
• Low Power CMOS
— Standby: 250µA
• Infinite E2PROM Array Recall, and RAM Read
and Write Cycles
PIN CONFIGURATION
PLASTIC CERDIP
NE
NC
A7 A6 A5 A4 A3 A2 A1 A0 I/O0 I/O1 I/O2 VSS
1 28 VCC 2 27 WE
3 26 AS
4 25 A8 5 24 A9 6 23 NC
7 22 8 X20C16 21 9 20 10 19 11 18 12 17 13 16 14 15
OE
A10 CE
I/O7 I/O6 I/O5 I/O4 I/O3
3826 FHD F02
NC
OE
A9 A8 AS
WE
VCC NE
NC
3826 FHD F15.1
A7 A6 A5 A4 A3
SOIC.