DSM2180F3-90T6 STMicroelectronics, DSM2180F3-90T6 Datasheet - Page 55

• Manufacturer Part Number: DSM2180F3-90T6
• Description: IC FLASH 1MBIT 90NS 52TQFP
• Manufacturer: STMicroelectronics

Specifications of DSM2180F3-90T6

• Format - Memory: FLASH
• Memory Type: FLASH
• Memory Size: 1M (128K x 8)
• Speed: 90ns
• Interface: Parallel
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 52-TQFP, 52-VQFP
• Operating Supply Voltage (typ): 5V
• Operating Supply Voltage (min): 5.5V
• Operating Supply Voltage (max): 4.5V
• Mounting: Surface Mount
• Pin Count: 52
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: 497-1321

Table 33. Flash Memory Program, Write and Erase Times
Note: 1. Programmed to all zero before erase.
Table 34. Reset (Reset) Timing
Note: 1. Reset (RESET) does not reset Flash memory Program or Erase cycles.
Figure 36. Reset (RESET) Timing
t
t
t
t
t
t
t
t
WHQV3
WHQV2
WHQV1
WHWLO
Q7VQV
NLNH
NLNH–PO
OPR
Symbol
Symbol
V
RESET
2. The polling status, DQ7, is valid tQ7VQV time units before the data byte, DQ0-DQ7, is valid for reading.
2. Warm reset aborts Flash memory Program or Erase cycles, and puts the device in Read mode.
CC
Flash Bulk Erase
Flash Bulk Erase (not pre-programmed)
Sector Erase (pre-programmed)
Sector Erase (not pre-programmed)
Byte Program
Program / Erase Cycles (per Sector)
Sector Erase Time-Out
DQ7 Valid to Output (DQ7-DQ0) Valid (Data Polling)
RESET Active Low Time
Power On Reset Active Low Time
RESET High to Operational Device
Power-On Reset
V
t NLNH-PO
CC
(min)
1
Parameter
(pre-programmed)
Parameter
1
t OPR
Conditions
2
100,000
Min.
Warm Reset
t NLNH-A
Min
150
t NLNH
1
Typ.
100
2.2
14
3
5
1
Max.
1200
Max
30
30
30
120
DSM2180F3
t OPR
AI02866b
cycles
Unit
µs
µs
ns
Unit
s
s
s
s
55/63
ms
ns
ns