HM621664HBJP-20 Datasheet PDF - Hitachi Semiconductor
| Part Number | HM621664HBJP-20 | |
| Description | 1M High Speed SRAM | |
| Manufacturers | Hitachi Semiconductor | |
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HM621664HB Series
1 M High Speed SRAM (64-kword × 16-bit)
ADE-203-349B(Z)
Rev. 2.0
Nov. 1997
Description
The HM621664HB is an asynchronous high speed static RAM organized as 64-kword × 16-bit. It realize
high speed access time (15/20 ns) with employing 0.8 µm CMOS process and high speed circuit designing
technology. It is most appropriate for the application which requires high speed, high density memory and
wide bit width configuration, such as cache and buffer memory in system. The HM621664HB is packaged
in 400-mil 44-pin SOJ for high density surface mounting.
Features
• Single 5 V supply
• Access time: 15/20 ns (max)
• Completely static memory
No clock or timing strobe required
• Equal access and cycle times
• Directly TTL compatible
All inputs and outputs
• 400-mil 44-pin SOJ package
• Center VCC and VSS type pinout
Ordering Information
Type No.
HM621664HBJP-15
HM621664HBJP-20
HM621664HBLJP-15
HM621664HBLJP-20
Access time
15 ns
20 ns
15 ns
20 ns
Package
400-mil 44-pin plastic SOJ (CP-44D)
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HM621664HB Series
DC Characteristics (Ta = 0 to +70°C, VCC = 5 V ± 10%, VSS = 0 V)
Parameter
Symbol Min
Typ*1 Max Unit Test conditions
Input leakage current
Output leakage
current*1
|ILI| — — 2
|ILO| — — 2
µA Vin = VSS to VCC
µA Vin = VSS to VCC
Operating power
supply current
15 ns cycle ICC
Standby power supply
current
20 ns cycle ICC
15 ns cycle ISB
20 ns cycle ISB
I SB1
— 160 180 mA CS = VIL, Iout = 0 mA
Other inputs = VIH/VIL
— 130 150
— 55 100 mA CS = VIH,
Other inputs = VIH/VIL
— 45 80
——2
mA VCC ≥ CS ≥ VCC – 0.2 V,
(1) 0 V ≤ Vin ≤ 0.2 V or
(2) VCC ≥ Vin ≥ VCC – 0.2 V
—*2
—*2
0.2*2
Output voltage
VOL — — 0.4 V
VOH 2.4 — — V
Note: 1. Typical values are at VCC = 5.0 V, Ta = +25°C and specified loading.
2. This characteristics is guaranteed only for L-version.
IOL = 8 mA
IOH = –4 mA
Capacitance (Ta = 25°C, f = 1.0 MHz)
Parameter
Symbol Min Typ
Input capacitance*1
Cin — —
Input/output capacitance*1
CI/O
——
Note: 1. This parameter is sampled and not 100% tested.
Max Unit
6 pF
8 pF
Test conditions
Vin = 0 V
VI/O = 0 V
5
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Part DetailsOn this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for HM621664HBJP-20 electronic component. |
| Information | Total 16 Pages | |
| Link URL | [ Copy URL to Clipboard ] | |
| Download | [ HM621664HBJP-20.PDF Datasheet ] | |
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