S29AL016D90TFI02 Spansion Inc., S29AL016D90TFI02 Datasheet - Page 32

• Manufacturer Part Number: S29AL016D90TFI02
• Manufacturer: Spansion Inc.

Specifications of S29AL016D90TFI02

• Cell Type: NOR
• Density: 16Mb
• Access Time (max): 90ns
• Interface Type: Parallel
• Boot Type: Bottom
• Address Bus: 21/20Bit
• Operating Supply Voltage (typ): 3.3V
• Operating Temp Range: -40C to 85C
• Package Type: TSOP
• Program/erase Volt (typ): 2.7 to 3.6V
• Sync/async: Asynchronous
• Operating Temperature Classification: Industrial
• Operating Supply Voltage (min): 2.7V
• Operating Supply Voltage (max): 3.6V
• Word Size: 8/16Bit
• Number Of Words: 2M/1M
• Supply Current: 35mA
• Mounting: Surface Mount
• Pin Count: 48
• Lead Free Status / Rohs Status: Compliant

11.2
32
RY/BY#: Ready/Busy#
Notes
1. VA = Valid address for programming. During a sector erase operation, a valid address is an address within any sector selected for
2. DQ7 should be rechecked even if DQ5 = 1 because DQ7 may change simultaneously with DQ5.
The RY/BY# is a dedicated, open-drain output pin that indicates whether an Embedded Algorithm is in
progress or complete. The RY/BY# status is valid after the rising edge of the final WE# pulse in the command
sequence. Since RY/BY# is an open-drain output, several RY/BY# pins can be tied together in parallel with a
pull-up resistor to V
If the output is low (Busy), the device is actively erasing or programming. (This includes programming in the
Erase Suspend mode.) If the output is high (Ready), the device is ready to read array data (including during
the Erase Suspend mode), or is in the standby mode.
Table 11.1 on page 35
on page
and erase operations, respectively.
erasure. During chip erase, a valid address is any non-protected sector address.
41,
Figure 17.5 on page 43
CC
.
shows the outputs for RY/BY#. Figures
No
Figure 11.1 Data# Polling Algorithm
and
S29AL016D
Read DQ7–DQ0
Read DQ7–DQ0
Figure 17.6 on page 44
DQ7 = Data?
DQ7 = Data?
Addr = VA
Addr = VA
DQ5 = 1?
START
D a t a
FAIL
No
Yes
No
S h e e t
Yes
Yes
Figure 17.1 on page
shows RY/BY# for read, reset, program,
PASS
S29AL016D_00_A8 February 27, 2009
40,
Figure 17.2