HM62256ALFP-12SLT HITACHI, HM62256ALFP-12SLT Datasheet

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HM62256ALFP-12SLT

Manufacturer Part Number
HM62256ALFP-12SLT
Description
32,768-word x 8-bit high speed CMOS static RAM, 120ns
Manufacturer
HITACHI
Datasheet
HM62256A Series
32,768-word
The Hitachi HM62256A is a CMOS static RAM
organized 32-kword
performance and low power consumption by
employing 0.8 µm Hi-CMOS process technology.
The device, packaged in a 8
thickness of 1.2 mm, 450-mil SOP (foot print pitch
width), 600-mil plastic DIP, or 300-mil plastic DIP,
is available for high density mounting. TSOP
package is suitable for cards, and reverse type
TSOP is also provided. It offers low power
standby power dissipation; therefore, it is suitable
for battery back up system.
Features
• High speed: Fast Access time 85/100/120/150 ns
• Low Power
• Single 5 V supply
• Completely static memory
• Equal access and cycle times
• Common data input and output: Three state
• Directly TTL compatible: All inputs and outputs
• Capability of battery back up operation
Note: This device is not available for new application.
(max)
Standby: 5 µW (typ) (L/L-SL version)
Operation: 40 mW (typ) (f = 1 MHz)
No clock or timing strobe required
output
8-bit High Speed CMOS Static RAM
8-bit. It realizes higher
14 mm TSOP with
Ordering Information
Type No.
——————————————————————–
HM62256AP-8
HM62256AP-10
HM62256AP-12
HM62256AP-15
————————————————–
HM62256ALP-8
HM62256ALP-10
HM62256ALP-12
HM62256ALP-15
————————————————–
HM62256ALP-8SL
HM62256ALP-10SL
HM62256ALP-12SL
HM62256ALP-15SL
——————————————————————–
HM62256ASP-8
HM62256ASP-10
HM62256ASP-12
HM62256ASP-15
————————————————–
HM62256ALSP-8
HM62256ALSP-10
HM62256ALSP-12
HM62256ALSP-15
————————————————–
HM62256ALSP-8SL
HM62256ALSP-10SL 100 ns
HM62256ALSP-12SL 120 ns
HM62256ALSP-15SL 150 ns
——————————————————————–
HM62256AFP-8T
HM62256AFP-10T
HM62256AFP-12T
HM62256AFP-15T
————————————————–
HM62256ALFP-8T
HM62256ALFP-10T
HM62256ALFP-12T
HM62256ALFP-15T
————————————————–
HM62256ALFP-8SLT 85 ns
HM62256ALFP-10SLT 100 ns
HM62256ALFP-12SLT 120 ns
HM62256ALFP-15SLT 150 ns
——————————————————————–
Access time Package
85 ns
100 ns
120 ns
150 ns
85 ns
100 ns
120 ns
150 ns
85 ns
100 ns
120 ns
150 ns
85 ns
100 ns
120 ns
150 ns
85 ns
100 ns
120 ns
150 ns
85 ns
85 ns
100 ns
120 ns
150 ns
85 ns
100 ns
120 ns
150 ns
Maintenance only
600-mil
28-pin
plastic DIP
(DP-28)
300-mil
28-pin
plastic DIP
(DP-28NA)
450-mil
28-pin
plastic SOP
(FP-28DA)
1

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HM62256ALFP-12SLT Summary of contents

Page 1

... HM62256ALFP-8SLT 85 ns HM62256ALFP-10SLT 100 ns HM62256ALFP-12SLT 120 ns HM62256ALFP-15SLT 150 ns ——————————————————————– ...

Page 2

HM62256A Series TSOP Series Type No. Access time Package ——————————————————————– HM62256ALT HM62256ALT-10 100 ns HM62256ALT-12 120 ns HM62256ALT-15 150 ns ———————————————– HM62256ALT-8SL 85 ns HM62256ALT-10SL 100 ns HM62256ALT-12SL 120 ns HM62256ALT-15SL 150 ns ——————————————————————– Pin Arrangement HM62256AP/AFP/ASP Series ...

Page 3

HM62256A Series Pin Description Symbol Function ——————————————————————– A0 – A14 Address ——————————————————————– I/O0 – I/O7 Input/output ——————————————————————– CS Chip select ——————————————————————– WE Write enable ——————————————————————– Block Diagram • • A11 • • A9 • A8 • • ...

Page 4

HM62256A Series Function Table ———————————————————————————————————————————————– ———————————————————————————————————————————————– ———————————————————————————————————————————————– ———————————————————————————————————————————————– ———————————————————————————————————————————————– ———————————————————————————————————————————————– Note Absolute Maximum Ratings Parameter ———————————————————————————————————————————————– Voltage on ...

Page 5

HM62256A Series DC Characteristics ( +70°C, V Parameter Symbol ———————————————————————————————————————————————– Input leakage current |I LI ———————————————————————————————————————————————– Output leakage current |I LO ———————————————————————————————————————————————– Operating V current —————————————————————————————————————————— HM62256A-8 I CC1 HM62256A-10 HM62256A-12 HM62256A-15 —————————————————————————————————————————— I ...

Page 6

HM62256A Series AC Characteristics ( +70°C, V Test Conditions • Input pulse levels: 0 2.4 V • Input and output timing refernce levels: 1.5 V Read Cycle Parameter Symbol ———————————————————————————————————————————————– Read cycle time t RC ...

Page 7

HM62256A Series Read Timing Waveform (1) Address CS OE Dout Read Timing Waveform (2) Address Dout * ACS *2 t CLZ OLZ * ...

Page 8

HM62256A Series Read Timing Waveform (3) CS Dout Notes and t CHZ OHZ conditions and are not referenced to output voltage levels. 2. This parameter is sampled and not 100% tested high for read cycle. ...

Page 9

HM62256A Series Write Timing Waveform (1) ( Address Dout Din Clock *10 t OHZ HM62256A Series * ...

Page 10

HM62256A Series Write Timing Waveform (2) ( Address Dout Din Notes write occurs during the overlap of a low CS and a low WE. A write begins at the later transition of CS going ...

Page 11

HM62256A Series Low V Data Retention Characteristics ( +70°C) CC This characteristics is guaranteed only for L/L-SL version. Parameter ———————————————————————————————————————————————– V for data retention CC ———————————————————————————————————————————————– Data retention current ———————————————————————————————————————————————– Chip deselect to data retention time t ...

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