29F040-12TI Просмотр технического описания (PDF) - Winbond
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29F040-12TI Datasheet PDF : 29 Pages
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BRIGHT
Microelectronics
Inc.
Preliminary BM29F040
AC Characteristics - Read Only Operations (1)
SYMBOL (4)
JEDEC
Standard
tAVAV
tRC
tAVQV
tACC
tELQV
tCE
tGLQV
tOE
tELQX
tLZ
tEHQZ
tHZ
tGLQX
tOLZ
tGHQZ
tDF
tAXQX
tOH
DESCRIPTION
Read Cycle Time
Address to Output Delay
CE low to Output Delay
OE low to Output Delay
CE low to Output LOW Z
CE high to Output HIGH Z
OE low to Output LOW Z
OE high to Output HIGH Z
Output Hold from Address,
CE or OE , whichever is
first
-75 -90 -120
70 90 120
70 90 120
(2) 70 90 120
30 35 50
(3) 0
0
0
20 20 30
0
0
0
(3) 20 20 30
(1) 0
0
0
Table 11
Notes:
1. See A.C. Input/Output Reference Waveforms for timing measurements.
2. OE may be delayed up to tCE-tOE after the falling edge of CE without impact on tCE.
3. Sampled, not 100% tested.
4. See A.C. Input/Output Reference Waveforms and A.C. Testing Load Circuits for testing characteristics.
-150 UNITS
150
nS
150
nS
150
nS
55
nS
0
nS
35
nS
0
nS
35
nS
0
nS
Vcc Power-
up
Standby
Vih
Addresses
Vil
Vih
CE (E)
Vil
Vih
OE (G)
Vil
Vih
WE (W)
Vil
Vih
DATA (D/Q)
Vil
High Z
5.0 V
VCC
GND
A Winbond Company
Device &
Address Select.
Outputs
Enabled
t AVAV
Data Valid
Address Valid
Standby
Vcc Power-
down
t AVQV
t GLQV
t ELQV
tGLQX
t ELQX
t EHQZ
t GHQZ
Valid Output
t AXQX
High Z
Figure 8. A.C.Waveforms for Read Operations
- 19 -
Publication Release Date: May 1999
Revision A1
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