參數(shù)資料
型號(hào)： IS42S16800A1-7TL
廠商： INTEGRATED SILICON SOLUTION INC
元件分類(lèi)： DRAM
英文描述： 8Meg x16 128-MBIT SYNCHRONOUS DRAM
中文描述： 8M X 16 SYNCHRONOUS DRAM, 7 ns, PDSO54
封裝： LEAD FREE, TSOP2-54
文件頁(yè)數(shù)： 37/63頁(yè)
文件大?。?/td> 827K
代理商： IS42S16800A1-7TL
Integrated Silicon Solution, Inc. — www.issi.com —
1-800-379-4774
Rev.
00
B
0
5/01
/06
37
ISSI
IS42S16800A1
Clock and Clock Enable Parameters
Symbol
Parameter
-7
-75
Units
Notes
Min.
Max.
Min.
Max.
t
CK3
t
CK2
t
AC3 (A)
t
AC2 (A)
t
AC3 (B)
t
AC2 (B)
t
CKH
t
CKL
t
CES
t
CEH
t
SB
t
T
Clock Cycle Time, CAS Latency = 3
7.
0 1
00
0 7
.
5 1
00
0 n
s
Clock Cycle Time, CAS Latency = 2
Clock Access Time, CAS Latency = 3
Clock Access Time, CAS Latency = 2
Clock Access Time, CAS Latency = 3
Clock Access Time, CAS Latency = 2
Clock High Pulse Width
Clock Low Pulse Width
Clock Enable Set-up Time
Clock Enable Hold Time
Power down mode Entry Time
Transition Time (Rise and Fall)
7.5
—
—
—
—
2
2
1.5
1000
—
—
5
5.4
—
—
—
—
6
8
10
—
—
—
—
2.5
2.5
1.5
0.8
0
0.5
1000
—
—
5.4
6
—
—
—
—
7.5
10
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
1
1
2
2
0
0.3
1. Access time is measured at 1.4V. See AC Characteristics: notes 1, 2, 3, 4, 5 and load circuit A.
2. Access time is measured at 1.4V. See AC Characteristics: notes 1, 2, 3, 6, 7 and load circuit B.
Common Parameters
Symbol
Parameter
-7
-75
Units
Notes
Min.
Max.
Min.
Max.
t
CS
Command Setup Time
1.5
—
1.5
—
ns
t
CH
Command Hold Time
0.8
—
0.8
—
ns
t
AS
Address and Bank Select Set-up Time
1.5
—
1.5
—
ns
t
AH
Address and Bank Select Hold Time
0.8
—
0.8
—
ns
t
RCD
RAS to CAS Delay
16
—
20
—
ns
1
t
RC
Bank Cycle Time
54
—
67.5
—
ns
1
t
RAS
Active Command Period
36
100K
45
100K
ns
1
t
RP
Precharge Time
16
—
20
—
ns
1
t
RRD
Bank to Bank Delay Time
12
—
15
—
ns
1
t
CCD
CAS to CAS Delay Time
1
—
1
—
CK
1. These parameters account for the number of clock cycle and depend on the operating frequency of the clock, as follows:
the number of clock cycles = specified value of timing / clock period (count fractions as a whole number).
Mode Register Set Cycle
Symbol
Parameter
-7
-75
Units
Min.
Max.
Min.
Max.
t
RSC
Mode Register Set Cycle Time
12
—
15
—
ns
相關(guān)PDF資料
PDF描述
IS42S16800B-7TL 16Meg x 8, 8Meg x16 128-MBIT SYNCHRONOUS DRAM
IS42S16800B 16Meg x 8, 8Meg x16 128-MBIT SYNCHRONOUS DRAM
IS42S16800B-6T 16Meg x 8, 8Meg x16 128-MBIT SYNCHRONOUS DRAM
IS42S16800B-6TL 16Meg x 8, 8Meg x16 128-MBIT SYNCHRONOUS DRAM
IS42S16800B-6TLI 16Meg x 8, 8Meg x16 128-MBIT SYNCHRONOUS DRAM
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IS42S16800A-7BI 制造商:ICSI 制造商全稱(chēng):Integrated Circuit Solution Inc 功能描述:16Meg x 8, 8Meg x16 & 4Meg x 32 128-MBIT SYNCHRONOUS DRAM
IS42S16800A-7BL 制造商:Integrated Silicon Solution Inc 功能描述:
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