參數(shù)資料
型號(hào): W28F321TB70L
廠商: WINBOND ELECTRONICS CORP
元件分類: PROM
英文描述: 2M X 16 FLASH 1.8V PROM, 70 ns, PBGA48
封裝: 7 X 7 MM, 0.75 MM PITCH, TFBGA-48
文件頁數(shù): 11/28頁
文件大?。?/td> 372K
代理商: W28F321TB70L
W28F321BB/TB
Publication Release Date: February 17, 2003
- 19 -
Revision A2
AC Characteristics - Read-only Operations(1)
VDD = 2.7V to 3.6V, TA = -40°C to +85°C
PARAMETER
SYM.
MIN.
MAX.
UNIT
Read Cycle Time
tAVAV
70
nS
Address to Output Delay
tAVQV
70
nS
#CE to Output Delay (note 3)
tELQV
70
nS
Page Address Access Time
TAPA
25
nS
#OE to Output Delay (note 3)
tGLQV
20
nS
#RESET High to Output Delay
TPHQV
150
nS
#CE or #OE to Output in High Z, whichever Occurs First (note 2)
tEHQZ, tGHQZ,
20
nS
#CE to Output in Low Z (note 2)
TELQX
0
nS
#OE to Output in Low Z (note 2)
tGLQX
0
nS
Output Hold from first Occurring Address, #CE or #OE Change
(note 2)
tOH
0
nS
Notes:
1. See AC Input/Output Reference Waveform for timing measurements and maximum allowable input slew rate.
2. Sampled, not 100% tested.
3. #OE may be delayed up to tELQV to tGLQV after the falling edge of #CE without impact to tELQV.
VIH
VIL
A20-0(A)
#OE(G)
#WE(W)
#CE(E)
VIH
VIL
Valid Address
VIH
VIL
VIH
VIL
VIH
VIL
DQ15-0 (D/Q)
VOH
VOL
#RESET(P)
HIGH Z
t GLQV
t ELQX
tGLQX
t OH
Valid Output
t AVQV
tELQV
tPHQV
tGHQZ
tEHQZ
Figure 7. AC Waveform for Single Asynchronous Read Operations from Status Register,
Identifier codes, OTP Block or Query Code
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