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參數(shù)資料
| 型號(hào)： | HM628512B |
| 廠商： | Hitachi,Ltd. |
| 英文描述： | 4 M SRAM (512-kword ×8-bit)(4 M 靜態(tài)RAM(512k字×8位)) |
| 中文描述： | 四米的SRAM（512 - KWord的× 8位）（4個(gè)M靜態(tài)隨機(jī)存儲(chǔ)器（為512k字× 8位）） |
| 文件頁(yè)數(shù)： | 6/16頁(yè) |
| 文件大?。?/td> | 88K |
| 代理商： | HM628512B |
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HM628512B Series
6
4.This characteristics is guaranteed only for L-UL version.
Capacitance (Ta = +25
°
C, f = 1 MHz)
Note:
1.This parameter is sampled and not 100% tested.
AC Characteristics (Ta =
–20 to +70
°
C, V
CC
= 5 V
±
10%, unless otherwise noted.)
Test Conditions
Input pulse levels: 0.8 V to 2.4 V
Input rise and fall time: 5 ns
Input and output timing reference levels: 1.5 V
Output load:1 TTL Gate + C
L
(100 pF) (HM628512B-7)
1 TTL Gate + C
L
(50 pF) (HM628512B-5)
(Including scope & jig)
Read Cycle
Parameter
Input capacitance*
1
Input/output capacitance*
1
Symbol
Cin
C
I/O
Typ
—
—
Max
8
10
Unit
pF
pF
Test conditions
Vin = 0 V
V
I/O
= 0 V
HM628512B
-5
Min
55
—
—
—
10
5
0
0
10
-7
Min
70
—
—
—
10
5
0
0
10
Parameter
Read cycle time
Address access time
Chip select access time
Output enable to output valid
Chip selection to output in low-Z
Output enable to output in low-Z
Chip deselection to output in high-Z
Output disable to output in high-Z
Output hold from address change
Symbol
t
RC
t
AA
t
CO
t
OE
t
LZ
t
OLZ
t
HZ
t
OHZ
t
OH
Max
—
55
55
25
—
—
20
20
—
Max
—
70
70
35
—
—
25
25
—
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
Notes
2
2
1, 2
1, 2
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| HM628512CLRR-5 | 4 M SRAM (512-kword x 8-bit) |
| HM628512CLTT-5 | 4 M SRAM (512-kword x 8-bit) |
| HM628512C | Octal Buffers And Line Drivers With 3-State Outputs 20-CFP -55 to 125 |
| HM628512CLP-5 | 4 M SRAM (512-kword x 8-bit) |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| HM628512BFP | 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:4 M SRAM (512-kword x 8-bit) |
| HM628512BFP-5 | 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:4 M SRAM (512-kword x 8-bit) |
| HM628512BFP-7 | 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:4 M SRAM (512-kword x 8-bit) |
| HM628512BFPSERIES | 制造商:未知廠家 制造商全稱:未知廠家 功能描述: |
| HM628512BI | 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:4 M SRAM (512-kword x 8-bit) |
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