M28F410 M28F420
4 Megabit (x8 or x16, Block Erase) FLASH MEMORY
DUAL x8 and x16 ORGANIZATION
SMALL SIZE PLASTIC PACKAG...
M28F410 M28F420
4 Megabit (x8 or x16, Block Erase) FLASH MEMORY
DUAL x8 and x16 ORGANIZATION
SMALL SIZE PLASTIC PACKAGES TSOP56 and SO44
MEMORY ERASE in BLOCKS
– One 16K Byte or 8K Word Boot Block (top or bottom location) with hardware write and erase protection
– Two 8K Byte or 4K Word Key Parameter Blocks
– One 96K Byte or 48K Word Main Block
– Three 128K Byte or 64K Word Main Blocks 5V ± 10% SUPPLY
VOLTAGE 12V ± 5% PROGRAMMING
VOLTAGE 100,000 PROGRAM/ERASE CYCLES
PROGRAM/ERASE CONTROLLER
AUTOMATIC STATIC MODE
LOW POWER CONSUMPTION – 60μA Typical in Standby – 0.2μA Typical in Deep Power Down – 20/25mA Typical Operating Consumption
(Byte/Word) HIGH SPEED ACCESS TIME: 70ns
EXTENDED TEMPERATURE RANGES
PRELIMINARY DATA
TSOP56 (N) 14 x 20mm
44
1
SO44 (M)
Figure 1. Logic Diagram
VCC VPP
Table 1. Signal Names
A0-A17 DQ0-DQ7 DQ8DQ14 DQ15A-1 E G W BYTE RP VPP VCC
Address Inputs Data Input / Outputs
Data Input / Outputs
Data Input/Output or Address Input Chip Enable Output Enable Write Enable Byte/Word Organization Reset/Power Down/Boot Block Unlock Program & Erase Supply
Voltage Supply
Voltage
18 A0-A17
RP W E G
M28F410 M28F420
DQ15A-1 15
DQ0-DQ14
BYTE
VSS
AI01130C
March 1995
This is preliminary infor mationon a new product now in developmen t or undergoing evaluation. Details are subject to change without notice.
1/38
M28F410, M28F420
Figure 2A. TSOP Pin Connections
Figure 2B. SO Pin Connections
NC NC A15 A14 A13 A12 A11 A10 A9 A8 NC NC
W RP NC NC VPP DU NC A17 ...