參數(shù)資料
型號(hào): UPD43256BGU-85LL
廠商: NEC Corp.
英文描述: 256K-BIT CMOS STATIC RAM 32K-WORD BY 8-BIT
中文描述: 256K位CMOS靜態(tài)RAM 32K的詞8位
文件頁(yè)數(shù): 9/24頁(yè)
文件大?。?/td> 174K
代理商: UPD43256BGU-85LL
9
μ
PD43256B
AC Characteristics (Recommended operating conditions unless otherwise noted)
AC Test Conditions
Input waveform (Rise/fall time
5 ns)
Input pulse levels
0.8 V to 2.2 V:
μ
PD43256B-L, 43256B-LL
0.5 V to 2.2 V:
μ
PD43256B-A, 43256B-B
1.5 V
1.5 V
Test points
Output waveform
1.5 V
1.5 V
Test points
Output load
μ
PD43256B-A, 43256B-B : 1TTL + 100 pF
μ
PD43256B-L, 43256B-LL:
AC characteristics with notes should be measured with the output load shown in
Figure 1
and
Figure 2
.
Figure 1
Figure 2
(For t
AA
, t
ACS
, t
OE
, t
OH
)
(For t
CHZ
, t
CLZ
, t
OHZ
, t
OLZ
, t
WHZ
, t
OW
)
+5 V
I/O (Output)
1.8 k
100 pF
C
L
990
+5 V
I/O (Output)
1.8 k
5 pF
C
L
990
Remark
C
L
includes capacitances of the probe and jig, and stray capacitances.
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