參數(shù)資料
型號: PUMA68F32006M-90E
元件分類: PROM
英文描述: 1M X 32 FLASH 5V PROM MODULE, 90 ns, PQMA68
封裝: PLASTIC, LCC-68
文件頁數(shù): 22/23頁
文件大小: 181K
代理商: PUMA68F32006M-90E
8
PUMA 68F32006/A-90/12/15
Issue 4.2 : December 1999
AC Waveforms for Data Polling During Embedded Algorithm Operations
A.C Waveforms - Alternate CE controlled Program operation timings
NOTES:
1. PA is address of memory location to be programmed.
2. PD is data to be programmed at byte address.
3. DQ7 is the output of the complement of the data written to the device.
4. DOUT is the output of the data written to the device.
5. Figure indicates last two bus cycles of four bus cycle sequence.
Address
V
CC
OE
DATA
WE
CE
5555H
PA
t
A0H
PD
DOUT
DQ7
AH
AS
t
WC
t
GHE L
CP
t
WHWH 1
RC
t
WS
DS
t
DH
CHP
t
CE
OH
t
DF
t
OE
t
Data Polling
OE
CE
WE
CH
OEH
OE
DF
CE
WHWH 1 or 2
DQ7=
Valid Data
DQ7
HIGH Z
OH
DQ0-DQ6
HIGH Z
OE
DQ0-DQ6
= Invalid
DQ0-DQ7=
Vaild Data
DQ7
*
t
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