M27C320
M27C320 is 32 Mbit 4Mb x8 or 2Mb x16 OTP EPROM manufactured by STMicroelectronics.
DESCRIPTION
The M27C320 is a 32 Mbit EPROM offered in the OTP range (one time programmable). It is ideally suited for microprocessor systems requiring large data or program storage. It is organised as either 4 MWords of 8 bit or 2 MWords of 16 bit. The pinout is patible with the 32 Mbit Mask ROM. The M27C320 is offered in TSOP48 (12 x 20mm) and SO44 packages.
21 A0-A20 15
Q15A- 1
Q0-Q14 E M27C320 BYTE
Table 1. Signal Names
A0-A20 Q0-Q7 Q8-Q14 Q15A- 1 E GVPP BYTE VCC VSS Address Inputs Data Outputs Data Outputs Data Output / Address Input Chip Enable Output Enable / Program Supply Byte-Wide Select Supply Voltage Ground
GVPP
AI02152
September 1998
This is preliminary information on a new product now in development or undergoing evaluation. Details are subject to change without notice.
1/15
Figure 2A. SO Pin Connections Figure 2B. TSOP Pin Connections
NC A18 A17 A7 A6 A5 A4 A3 A2 A1 A0 E VSS GVPP Q0 Q8 Q1 Q9 Q2 Q10 Q3 Q11
1 44 2 43 3 42 4 41 5 40 6 39 7 38 8 37 9 36 10 35 11 34 M27C320 12 33 13 32 14 31 15 30 16 29 17 28 18 27 19 26 20 25 21 24 22 23
AI02153
A20 A19 A8 A9 A10 A11 A12 A13 A14 A15 A16 BYTE VSS Q15A- 1 Q7 Q14 Q6 Q13 Q5 Q12 Q4 VCC
BYTE A16 A15 A14 A13 A12 A11 A10 A9 A8 A19 VSS A20 A18 A17 A7 A6 A5 A4 A3 A2 A1 A0 E
12 13
37 36
AI02154
VSS VSS Q15A- 1 Q7 Q14 Q6 Q13 Q5 Q12 Q4 VCC VCC VSS Q11 Q3 Q10 Q2 Q9 Q1 Q8 Q0 GVPP VSS VSS
Warning : NC = Not Connected.
Table 2. Absolute Maximum Ratings (1)
Symbol TA TBIAS TSTG VIO (2) VCC VA9 (2) VPP Parameter Ambient Operating Temperature (3) Temperature Under Bias Storage Temperature Input or Output Voltage (except A9) Supply Voltage A9 Voltage Program Supply Voltage Value
- 40 to 125
- 50 to 125
- 65 to 150
- 2 to 7
- 2 to 7
- 2 to 13.5
- 2 to 14 Unit °C °C °C V V V V
Note: 1. Except for the rating ”Operating Temperature Range”, stresses above those listed in the Table ”Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only and...
