W29C040P-90 Winbond Electronics, W29C040P-90 Datasheet - Page 16

• Manufacturer Part Number: W29C040P-90
• Manufacturer: Winbond Electronics

Specifications of W29C040P-90

• Density: 4Mb
• Access Time (max): 90ns
• Interface Type: Parallel
• Boot Type: Bottom/Top
• Address Bus: 19b
• Operating Supply Voltage (typ): 5V
• Operating Temp Range: 0C to 70C
• Package Type: PLCC
• Program/erase Volt (typ): 5V
• Sync/async: Asynchronous
• Operating Temperature Classification: Commercial
• Operating Supply Voltage (min): 4.5V
• Operating Supply Voltage (max): 5.5V
• Word Size: 8b
• Number Of Words: 512K
• Supply Current: 50mA
• Mounting: Surface Mount
• Pin Count: 32
• Lead Free Status / Rohs Status: Not Compliant

Byte/Page-write Cycle Timing Parameters
Notes:
All AC timing signals observe the following guideline for determining setup and hold times:
(2) Low level signal's reference level is V
#DATA Polling Characteristics
Notes:
(1) These parameters are characterized and not 100% tested.
(2) See T
(1) High level signal's reference level is V
Write Cycle (erase and program)
Address Setup Time
Address Hold Time
#WE and #CE Setup Time
#WE and #CE Hold Time
#OE High Setup Time
#OE High Hold Time
#CE Pulse Width
#WE Pulse Width
#WE High Width
Data Setup Time
Data Hold Time
Byte Load Cycle Time
Data Hold Time
#OE Hold Time
#OE to Output Delay
Write Recovery Time
OE
spec in A.C. Read Cycle Timing Parameters
PARAMETER
PARAMETER
(2)
IL
IH
(1)
SYMBOL
T
T
T
T
.
DH
OEH
OE
WR
SYM.
T
T
T
T
T
T
T
T
T
T
T
T
T
- 16 -
WC
AS
AH
CS
CH
OES
OEH
CP
WP
WPH
DS
DH
BLC
MIN.
10
10
0
-
MIN.
100
50
70
70
50
0
0
0
0
0
0
-
-
TYP.
-
-
-
-
TYP.
-
-
-
-
-
-
-
-
-
-
-
-
-
MAX.
MAX.
200
-
-
-
-
10
W29C040
-
-
-
-
-
-
-
-
-
-
-
UNIT
UNIT
nS
nS
nS
nS
mS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
μS