M28W640ECB90N6 STMicroelectronics, M28W640ECB90N6 Datasheet - Page 24

• Manufacturer Part Number: M28W640ECB90N6
• Description: IC FLASH 64MBIT 90NS 48TSOP
• Manufacturer: STMicroelectronics

Specifications of M28W640ECB90N6

• Format - Memory: FLASH
• Memory Type: FLASH - Nor
• Memory Size: 64M (4M x 16)
• Speed: 90ns
• Interface: Parallel
• Voltage - Supply: 2.7 V ~ 3.6 V
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 48-TSOP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: 497-1698

M28W640ECT, M28W640ECB
Figure 9. Read AC Waveforms
Table 16. Read AC Characteristics
Note: 1. Sampled only, not 100% tested.
24/55
t
t
t
t
t
t
t
Symbol
t
t
GHQX
AXQX
EHQX
EHQZ
GHQZ
GLQV
GLQX
ELQV
ELQX
t
t
AVQV
AVAV
DQ0-DQ15
2. G may be delayed by up to t
3. To be characterized.
A0-A21
(1)
(1)
(2)
(1)
(2)
(1)
(1)
(1)
E
G
(1)
t
t
t
ACC
t
t
t
t
t
Alt
t
t
OLZ
t
OH
OH
OH
RC
HZ
CE
DF
OE
LZ
Address Valid to Next Address Valid
Address Valid to Output Valid
Address Transition to Output Transition
Chip Enable High to Output Transition
Chip Enable High to Output Hi-Z
Chip Enable Low to Output Valid
Chip Enable Low to Output Transition
Output Enable High to Output Transition
Output Enable High to Output Hi-Z
Output Enable Low to Output Valid
Output Enable Low to Output Transition
CHIP ENABLE
ADDR. VALID
ELQV
- t
GLQV
Parameter
tGLQX
tAVQV
tELQX
after the falling edge of E without increasing t
tELQV
OUTPUTS
ENABLED
tGLQV
tAVAV
VALID
Max
Max
Max
Max
Max
Min
Min
Min
Min
Min
Min
DATA VALID
VALID
70
70
70
70
20
20
20
0
0
0
0
0
(3)
(3)
(3)
ELQV
M28W640EC
85
85
85
20
85
20
20
0
0
0
0
0
.
tEHQX
tGHQX
tEHQZ
90
90
90
25
90
25
30
STANDBY
tGHQZ
0
0
0
0
0
100
100
100
10
25
25
30
0
0
0
0
0
tAXQX
AI04387
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns