参数资料
型号: IDT71V3559S85PFG8
厂商: IDT, Integrated Device Technology Inc
文件页数: 16/28页
文件大小: 0K
描述: IC SRAM 4MBIT 85NS 100TQFP
标准包装: 1,000
格式 - 存储器: RAM
存储器类型: SRAM - 同步 ZBT
存储容量: 4.5M(256K x 18)
速度: 85ns
接口: 并联
电源电压: 3.135 V ~ 3.465 V
工作温度: 0°C ~ 70°C
封装/外壳: 100-LQFP
供应商设备封装: 100-TQFP(14x14)
包装: 带卷 (TR)
其它名称: 71V3559S85PFG8
IDT71V3557, IDT71V3559, 128K x 36, 256K x 18, 3.3V Synchronous SRAMs with
ZBT? Feature, 3.3V I/O, Burst Counter, and Flow-Through Outputs Commercial and Industrial Temperature Ranges
AC Electrical Characteristics
(V DD = 3.3V +/-5%, Commercial and Industrial Temperature Ranges)
7.5ns (5)
8ns
8.5ns
Symbol
t CYC
t CH (1)
t CL (1)
Clock Cycle Time
Clock High Pulse Width
Clock Low Pulse Width
Parameter
Min.
10
2.5
2.5
Max.
____
____
____
Min.
10.5
2.7
2.7
Max.
____
____
____
Min.
11
3.0
3.0
Max.
____
____
____
Unit
ns
ns
ns
Output Parameters
t CD
t CDC
t CLZ (2,3,4)
t CHZ (2,3,4)
t OE
t OLZ (2,3)
t OHZ (2,3)
Clock High to Valid Data
Clock High to Data Change
Clock High to Output Active
Clock High to Data High-Z
Output Enable Access Time
Output Enable Low to Data Active
Output Enable High to Data High-Z
____
2
3
____
____
0
____
7.5
____
____
5
5
____
5
____
2
3
____
____
0
____
8
____
____
5
5
____
5
____
2
3
____
____
0
____
8.5
____
____
5
5
____
5
ns
ns
ns
ns
ns
ns
ns
Set Up Times
t SE
t SA
t SD
t SW
t SADV
t SC
t SB
Clock Enable Setup Time
Address Setup Time
Data In Setup Time
Read/Write (R/ W ) Setup Time
Advance/Load (ADV/ LD ) Setup Time
Chip Enable/Select Setup Time
Byte Write Enable ( BW x) Setup Time
2.0
2.0
2.0
2.0
2.0
2.0
2.0
____
____
____
____
____
____
____
2.0
2.0
2.0
2.0
2.0
2.0
2.0
____
____
____
____
____
____
____
2.0
2.0
2.0
2.0
2.0
2.0
2.0
____
____
____
____
____
____
____
ns
ns
ns
ns
ns
ns
ns
Hold Times
t HE
t HA
t HD
t HW
t HADV
t HC
t HB
Clock Enable Hold Time
Address Hold Time
Data In Hold Time
Read/Write (R/ W ) Hold Time
Advance/Load (ADV/ LD ) Hold Time
Chip Enable/Select Hold Time
Byte Write Enable ( BW x) Hold Time
0.5
0.5
0.5
0.5
0.5
0.5
0.5
____
____
____
____
____
____
____
0.5
0.5
0.5
0.5
0.5
0.5
0.5
____
____
____
____
____
____
____
0.5
0.5
0.5
0.5
0.5
0.5
0.5
____
____
____
____
____
____
____
ns
ns
ns
ns
ns
ns
ns
NOTES:
5282 tbl 24
1. Measured as HIGH above 0.6V DDQ and LOW below 0.4V DDQ .
2. Transition is measured ±200mV from steady-state.
3. These parameters are guaranteed with the AC load (Figure 1) by device characterization. They are not production tested.
4. To avoid bus contention, the output buffers are designed such that t CHZ (device turn-off) is about 1ns faster than t CLZ (device turn-on) at a given temperature and
voltage. The specs as shown do not imply bus contention because t CLZ is a Min. parameter that is worse case at totally different test conditions
(0 deg. C, 3.465V) than t CHZ , which is a Max. parameter (worse case at 70 deg. C, 3.135V).
5. Commercial temperature range only.
16
6.42
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