參數(shù)資料
型號(hào): uPD23C64040L
廠商: NEC Corp.
英文描述: 64M-Bit Mask-Programmble ROM(64M位掩膜可編程ROM)
中文描述: 6400位掩??删幊坦獗P(6400位掩膜可編程光盤)
文件頁(yè)數(shù): 8/16頁(yè)
文件大?。?/td> 98K
代理商: UPD23C64040L
8
μ
PD23C64040L
AC Characteristics (T
A
= –10 to +70 °C, V
CC
= 3.0 to 3.6 V)
Parameter
Symbol
Test condition
MIN.
TYP.
MAX.
Unit
Address access time
t
ACC
145
ns
Page access time
t
PAC
50
ns
Chip enable access time
t
CE
145
ns
Output enable access time
t
OE
50
ns
Output hold time
t
OH
0
ns
Output disable time
t
DF
0
25
ns
WORD, /BYTE access time
t
WB
145
ns
Remark
t
DF
is the time from inactivation of /CE or /OE, OE to high-impedance state output.
AC Test Conditions
Input waveform (Rise
/
Fall time
5 ns)
Test points
1.4 V
1.4 V
Output waveform
Test points
1.4 V
1.4 V
Output load
1TTL + 100 pF
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